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Astera Labs Announces Financial Results for the First Quarter of Fiscal Year 2024

Astera Labs Announces Financial Results for the First Quarter of Fiscal Year 2024

Astera Labs宣布2024财年第一季度的财务业绩
asteralabs ·  06/30 23:30

SANTA CLARA, CA, U.S. – May 7, 2024 – Astera Labs (Nasdaq: ALAB), a global leader in semiconductor-based connectivity solutions for cloud and AI infrastructure, today announced preliminary financial results for the first quarter of fiscal 2024, ended March 31, 2024.

美国加州圣克拉拉 - 2024年5月7日 - Astera Labs(纳斯达克:ALAB)是云计算和人工智能基础设施的半导体连接解决方案的全球领导者,今天宣布了截至2024财年第一季度财务业绩的初步财务结果,该季度截至2024年3月31日。

“Astera Labs started the year strong, achieving record revenue in the first quarter, driven by the accelerating deployment of AI infrastructure,” said Jitendra Mohan, Astera Labs’ Chief Executive Officer.  “As hyperscalers embark on a significant transformation of their data centers to support AI applications with increased capital investment, we’re witnessing the emergence of a multi-year growth cycle. Our Intelligent Connectivity Platform, comprising of the COSMOS software suite and semiconductor-based PCIe, Ethernet, and CXL solutions, is uniquely positioned to support this growth and is foundational to deploying AI infrastructure at scale. In the first quarter, we further extended our connectivity platform and started sampling our third generation of Aries Retimers with support for PCIe 6.x and the industry’s first PCIe/CXL Smart Cable Modules for Active Electrical Cable applications to enable multi-rack GPU clustering.”

Astera Labs首席执行官Jitendra Mohan表示:“Astera Labs在本财年第一季度取得了强劲的业绩,在AI基础设施加速部署的驱动下实现了创纪录的财务收入,随着超大规模企业开始在数据中心加大资本投入,以支持人工智能应用程序的重大转型,我们正在目睹多年的增长周期的出现。我们的智能连接平台包括COSMOS软件套件和基于半导体的PCIe,以太网和CXL解决方案,具有独特的市场地位,可支持此增长,并为大规模部署AI基础设施提供基础。第一季度,我们进一步扩展了我们的连接平台,并开始抽样我们第三代的Aries Retimers,支持PCIe 6.x和行业首款支持PCIe/CXL的智能电缆模块,以启用多机架GPU聚类。

Q1 Financial Highlights

Q1财务亮点

GAAP Financial Results:

根据通用会计准则的财务结果:

  • Revenue of $65.3 million, up 29% sequentially and up 269% year-over-year

  • GAAP gross margin of 77.4%

  • GAAP operating loss of $83.0 million

  • GAAP net loss of $93.0 million

  • GAAP basic and diluted net loss per share attributable to common stockholders of ($1.77) on weighted-average shares outstanding of 52.5 million

  • 营业收入6530万美元,环比增长29%,同比增长269%

  • 通用会计准则的毛利率为77.4%

  • 通用会计准则的运营亏损为8300万美元

  • 通用会计准则的净亏损为9300万美元

  • 基础和稀释后每股普通股股东净亏损为1.77美元,基础加权平均股数为5250万股

Non-GAAP Financial Results (excluding the impact of stock compensation, employer payroll tax related to stock-based compensation from our IPO, income tax effects of non-GAAP adjustments, and certain other items):

非通用会计准则的财务结果(排除股票补偿、IPO相关的雇主薪资税、非通用会计调整的所得税影响以及某些其他项目):

  • Non-GAAP gross margin of 78.2%

  • Non-GAAP operating income of $15.9 million

  • Non-GAAP net income of $14.3 million

  • Pro forma non-GAAP diluted earnings per share of $0.10

  • 非通用会计准则的毛利率为78.2%

  • 非通用会计准则的营业收入为1590万美元

  • 非通用会计准则的净收入为1430万美元

  • Pro forma非通用会计准则稀释每股收益为0.10美元

Q1 and Recent Business Highlights

Q1和最近的业务亮点

  • Expanded the widely deployed and field-tested Aries PCIe/CXL Smart DSP Retimer portfolio with the sampling of Aries 6 Retimers, the industry’s lowest power PCIe 6.x/CXL 3.x Retimer solution, to achieve higher bandwidth and extended reach across complex AI and compute topologies. Through collaboration with the industry’s leading GPU and CPU providers such as AMD, Arm, Intel, and NVIDIA, Aries 6 is being rigorously tested at Astera Labs’ Cloud-Scale Interop Lab and in customer platforms to minimize interoperation risk, lower system development costs, and reduce time to market. Aries 6 was demonstrated at NVIDIA GTC during the week of March 18th.

  • Announced sampling of Aries PCIe/CXL Smart Cable Modules for Active Electrical Cable applications to enable multi-rack GPU clustering and low-latency memory fabric connectivity within AI infrastructure. The solution drives an industry-leading seven meters of channel reach over flexible copper cables to seamlessly interconnect clusters of GPUs across rack enclosures.

  • Announced the pricing and closing of an initial public offering of 22,770,000 shares of Astera Labs common stock at a price to the public of $36.00 per share. Net proceeds to Astera Labs from the offering were $672.2 million after deducting underwriting discounts and commissions. The shares began trading on the NASDAQ Global Select Market under the ticker symbol “ALAB” on March 20, 2024.

  • 通过抽样Aries 6 Retimers,行业内功耗最低的PCIe 6.x/CXL 3.x Retimer解决方案,为复杂的AI和计算拓扑结构提供更高带宽和扩展范围,扩展了广泛部署和经过现场测试的Aries PCIe/CXL Smart DSP Retimer组合。 通过与AMD、Arm、Intel和NVIDIA等行业领先的GPU和CPU供应商的合作,Aries 6正在Astera Labs的云级互操作性实验室和客户平台中进行严格测试,以最小化互操作风险、降低系统开发成本和缩短产品上市时间。Aries 6已在3月18日的NVIDIA GTC展会上进行了演示。

  • 宣布Aries PCIe/CXL智能电缆模块的抽样,用于启用多机架GPU聚类和低延迟内存基础设施连接。 该解决方案通过灵活的铜质电缆驱动7米的信道距离,无缝连接机架之间的GPU群。

  • 宣布了Astera Labs普通股的首次公开发行于2024年3月20日开始在纳斯达克全球精选市场上交易,股票代码为“ALAB”,普通股发行数量为22,770,000股,发行价格为每股36.00美元。 扣除承销折扣和佣金后,Astera Labs从发行中获得的净收益为6.722亿美元。

Second Quarter Fiscal 2024 Financial Outlook

2024财年第二季度财务前景

Based on current business trends and conditions, Q2 revenue is expected to increase within a range of 10% to 12% compared with the prior quarter. We also estimate the following:

根据当前的业务趋势和状况,预计Q2收入将较上季度增长10%至12%。 我们还预计以下情况:

GAAP Financial Outlook:

GAAP财务展望:

  • GAAP gross margin of approximately 77%

  • GAAP operating expenses of approximately $79 million

  • GAAP interest income of approximately $9 million

  • GAAP tax rate of approximately (20%)

  • GAAP diluted loss per share of approximately ($0.11) on weighted-average diluted shares outstanding of approximately 155 million

  • GAAP毛利率约为77%

  • GAAP营业费用约为7900万美元

  • GAAP利息收入约为900万美元

  • GAAP税率约为(20%)

  • GAAP加权平均摊薄股份约为1.55亿股,每股摊薄亏损约为0.11美元

Non-GAAP Financial Outlook (excluding the impact of approximately $39 million of stock-based compensation and including $3 million of additional income taxes):

非GAAP财务展望(不包括约3900万美元的股权酬劳影响,包括300万美元的额外所得税):

  • Non-GAAP gross margin of approximately 77%

  • Non-GAAP operating expenses of approximately $40 million

  • Non-GAAP tax rate of approximately 23%

  • Non-GAAP diluted earnings per share of approximately $0.11 on weighted-average diluted shares outstanding of approximately 180 million

    ASTERA LABS, INC.

    CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)

    (In thousands)

  • 非GAAP毛利率约为77%

  • 非GAAP营业费用约为4000万美元

  • 非GAAP税率约为23%

  • 非GAAP加权平均摊薄股份约为1.8亿股,每股摊薄收益约为0.11美元

    ASTERA LABS, INC.

    基本报表资产负债表(未经审计)

    (以千为单位)

March 31,
2024

December 31,
2023

Assets

Current assets

Cash and cash equivalents

$        696,077

$          45,098

Marketable securities

          105,314

          104,215

Accounts receivable, net

            16,757

              8,335

Inventory

            29,567

            24,095

Prepaid expenses and other current assets

              6,725

              4,064

Total current assets

          854,440

          185,807

Property and equipment, net

              7,581

              4,712

Other assets

              2,880

              5,773

Total assets

$        864,901

$        196,292

Liabilities, Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit)

Current liabilities

Accounts payable

$          11,465

$            6,337

Accrued expenses and other current liabilities

            34,122

            28,742

Total current liabilities

            45,587

            35,079

Other liabilities

            10,530

              3,787

Total liabilities

            56,117

            38,866

Commitments and contingencies

Redeemable convertible preferred stock

                   —

          255,127

Stockholders’ equity (deficit)

Common stock

                   16

                     4

Additional paid-in capital

       1,027,197

            27,411

Accumulated other comprehensive (loss) income

                  (59)

                 259

Accumulated deficit

         (218,370)

         (125,375)

Total stockholders’ equity (deficit)

          808,784

           (97,701)

Total liabilities, redeemable convertible preferred stock and stockholders’ equity (deficit)

$        864,901

$        196,292

3月31日
2024

12月31日
2023

资产

流动资产

现金及现金等价物

$        696,077

$          45,098

有价证券

          105,314

          104,215

应收账款净额

            16,757

              8,335

库存

            29,567

            24,095

资产预付款和其他流动资产的变动

6,725

4,064

总流动资产

854,440

185,807

资产和设备,净值

7,581

4,712

其他

2,880

5,773

总资产

$ 864,901

$ 196,292

负债,可转换优先股和股东权益(赤字)

流动负债

应付账款

$11,465

$6,337

应计费用及其他流动负债

34,122

28,742

流动负债合计

45,587

35,079

其他负债

10,530

3,787

负债合计

56,117

38,866

承诺和 contingencies

可转换优先股

255,127

股东权益(赤字)

普通股

16

4

额外实收资本

1,027,197

27,411

已实现其他综合收益 (损失)

(59)

259

累积赤字

(218,370)

(125,375)

股东权益(赤字)

808,784

(97,701)

总负债、可赎回优先股和股东权益(赤字)

$ 864,901

$ 196,292

ASTERA LABS, INC.

ASTERA LABS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)

基本财务报表(未经审计)

(In thousands, except per share amounts)

2024年4月27日

 

 

Three Months Ended

March 31,
2024

December 31,
2023

March 31,
2023

Revenue

$          65,258

$          50,514

$          17,664

Cost of revenue

            14,738

            11,489

            13,406

Gross profit

            50,520

            39,025

              4,258

Operating expenses

Research and development

            53,558

            19,654

            15,267

Sales and marketing

            55,510

              4,995

              4,393

General and administrative

            24,419

              5,356

              3,525

Total operating expenses

          133,487

            30,005

            23,185

Operating (loss) income

           (82,967)

              9,020

           (18,927)

Interest income

              2,554

              1,674

              1,596

(Loss) Income before income taxes

           (80,413)

            10,694

           (17,331)

Income tax provision (benefit)

            12,582

             (3,631)

                 123

Net (loss) income

$         (92,995)

$          14,325

$         (17,454)

Net (loss) income per share attributable to common stockholders:

Basic and diluted

$             (1.77)

$                 —

$             (0.49)

Weighted-average shares used in calculating net (loss) income per share attributable to common stockholders:

Basic

52,532

38,627

35,826

Diluted

52,532

47,636

35,826

三个月之内结束

3月31日
2024

12月31日
2023

3月31日
2023

营业收入

$ 65,258

$ 50,514

$ 17,664

营业收入成本

            14,738

            11,489

            13,406

毛利润

            50,520

            39,025

              4,258

营业费用

研发

            53,558

            19,654

            15,267

销售及营销费用

            55,510

              4,995

              4,393

普通和管理

            24,419

              5,356

              3,525

营业费用总计

          133,487

            30,005

            23,185

营业(亏损)收入

           (82,967)

              9,020

           (18,927)

利息收入

              2,554

              1,674

              1,596

(损失)税前收入

           (80,413)

            10,694

           (17,331)

所得税负担(利益)

            12,582

             (3,631)

                 123

净(亏损)利润

(92,995)美元

$          14,325

(17,454)美元

每股净(亏损)收益归属于普通股股东:

基本和稀释

$             (1.77)

$                 —

$             (0.49)

计算每股归属于普通股股东的净(亏损)收益所使用的加权平均股数:

基本

52,532

38,627

35,826

摊薄

52,532

47636

35,826

 

 

ASTERA LABS, INC.

ASTERA LABS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

简化的现金流量表(未经审计)

(In thousands)

(以千为单位)

Three Months Ended

March 31,
2024

March 31,
2023

Cash flows from operating activities

Net loss

$         (92,995)

$         (17,454)

Adjustments to reconcile net loss to net cash provided by (used in) operating activities

Stock-based compensation

            97,768

              1,997

Inventory write-down

                 428

              9,733

Depreciation

                 614

                 357

Non-cash operating lease expense

                 522

                 217

Warrants contra revenue

                 110

                   55

Accretion of discounts on marketable securities

                (566)

                (411)

Changes in operating assets and liabilities:

Accounts receivable, net

             (8,422)

              7,048

Inventory

             (5,900)

                 458

Prepaid expenses and other assets

             (2,666)

                (411)

Accounts payable

              4,973

             (5,740)

Accrued expenses and other liabilities

            10,224

                 563

Operating lease liability

                (438)

                (231)

Net cash provided by (used in) operating activities

              3,652

             (3,819)

Cash flows from investing activities

Purchases of property and equipment

             (3,424)

                (439)

Purchases of marketable securities

           (23,308)

           (22,346)

Maturities of marketable securities

              9,365

            13,000

Sales of marketable securities

            13,116

            45,082

Net cash (used in) provided by investing activities

             (4,251)

            35,297

Cash flows from financing activities

Proceeds from issuance of common stock in connection with initial public offering, net of underwriting discounts and commissions

          672,198

                   —

Payment of deferred offering costs

             (1,756)

                   —

Proceeds from exercises of stock options, net of repurchases

              1,247

                   31

Tax withholding related to net share settlements of restricted stock units

           (20,111)

                   —

Net cash provided by financing activities

          651,578

                   31

Net increase in cash and cash equivalents

          650,979

            31,509

Cash and cash equivalents

Beginning of the period

            45,098

            76,088

End of the period

$        696,077

$        107,597

三个月之内结束

3月31日
2024

3月31日
2023

经营活动现金流

净亏损

(92,995)美元

(17,454)美元

调整以将净亏损调节为经营活动中提供的现金净额

以股票为基础的报酬计划

97,768

1,997

存货减值

428

9,733

折旧费用

614

357

非现金租赁费用

522

217

Warrants contra revenue

110

55

Accretion of discounts on marketable securities

(566)

(411)

经营性资产和负债变动:

应收账款净额

(8,422)

7,048

库存

(5,900)

458

预付款项和其他资产

(2,666)

(411)

应付账款

4,973

(5,740)

应计费用及其他负债

10,224

563

经营租赁负债

(438)

(231)

经营活动产生的净现金流量

3,652

(3,819)

投资活动现金流量

购买固定资产

(3,424)

(439)

购买有市场流通的证券

(23,308)

(22,346)

有价证券到期收益

9,365

13,000

可变市场证券销售

13,116

45,082

投资活动的净现金流量(使用)/提供的净现金流量

(4,251)

35,297

筹资活动现金流量

发行普通股与初始公开发行相关的净额,扣除承销折扣和佣金

672,198

支付推迟发行成本

(1,756)

行使股票期权后回购的净额

1,247

31

与受限制股票单位净份额结算相关的税款代扣

(20,111)

筹资活动产生的现金净额

651,578

31

现金及现金等价物净增加额

650,979

31,509

现金及现金等价物

期初

45,098

76,088

期末

$        696,077

$        107,597

ASTERA LABS, INC.

ASTERA LABS, INC.

 RECONCILIATION OF GAAP TO NON-GAAP FINANCIAL MEASURES (Unaudited)

GAAP和非GAAP财务衡量的调解(未经审计)

 (In thousands, except percentages and per share amounts)

(以千为单位,除百分比和每股金额外)

 

 

Three Months Ended

March 31,
2024

December 31,
2023

March 31,
2023

GAAP gross profit

$    50,520

$    39,025

$      4,258

Stock-based compensation expense upon IPO (1)

           516

             —

             —

Stock-based compensation expense

             12

               8

               5

Non-GAAP gross profit

$    51,048

$    39,033

$      4,263

GAAP gross margin

77.4 %

77.3 %

24.1 %

Stock-based compensation expense upon IPO (1)

0.8 %

Non-GAAP gross margin

78.2 %

77.3 %

24.1 %

GAAP operating (loss) income

$  (82,967)

$      9,020

$  (18,927)

Stock-based compensation expense upon IPO (1)

      88,873

             —

             —

Stock-based compensation expense

        8,895

        3,299

        1,997

Employer payroll tax related to stock-based compensation from IPO (2)

        1,072

             —

             —

Non-GAAP operating income (loss)

$    15,873

$    12,319

$  (16,930)

GAAP net (loss) income

$  (92,995)

$    14,325

$  (17,454)

Stock-based compensation expense upon IPO (1)

      88,873

             —

             —

Stock-based compensation expense

        8,895

        3,299

        1,997

Employer payroll tax related to stock-based compensation from IPO (2)

        1,072

             —

             —

Income tax effect (3)

        8,485

             —

             —

Non-GAAP net income (loss)

$    14,330

$    17,624

$  (15,457)

Net (loss) income per share attributable to common stockholders:

GAAP – basic and diluted (4)

$      (1.77)

$           —

$      (0.49)

Pro forma Non-GAAP – diluted

$        0.10

$        0.12

$      (0.12)

Weighted-average shares used to compute net (loss) income per share attributable to common stockholders:

GAAP – basic

      52,532

      38,627

      35,826

GAAP – diluted

      52,532

      47,636

      35,826

Pro forma Non-GAAP – diluted (5)

    147,514

    138,527

    126,717

三个月之内结束

3月31日
2024

12月31日
2023

3月31日
2023

GAAP毛利润

$    50,520

$    39,025

$      4,258

IPO股票授予激励支出(1)

           516

             —

             —

股票补偿费用

             12

               8

               5

非通用会计原则毛利润

$    51,048

$    39,033

$      4,263

GAAP毛利率

77.4 %

77.3 %

24.1 %

IPO股票授予激励支出(1)

0.8%

非GAAP毛利率

78.2 %

77.3 %

24.1 %

GAAP营业(亏损)收入

$ (82,967)

$ 9,020

$ (18,927)

IPO股票授予激励支出(1)

      88,873

             —

             —

股票补偿费用

        8,895

        3,299

        1,997

与IPO相关的雇主薪酬税(2)

        1,072

             —

             —

非通用会计原则下的营业收入(亏损)

$ 15,873

$ 12,319

$  (16,930)

按照通用会计准则,净(亏损)收益

$  (92,995)

$    14,325

$  (17,454)

IPO股票授予激励支出(1)

      88,873

             —

             —

股票补偿费用

        8,895

        3,299

        1,997

与IPO相关的雇主薪酬税(2)

        1,072

             —

             —

所得税影响(3)

        8,485

             —

             —

非GAAP净收入(净亏损)

$    14,330

$    17,624

$  (15,457)

每股净(亏损)收益归属于普通股股东:

GAAP - 基本和稀释(4)

$      (1.77)

$           —

$      (0.49)

非GAAP勾选 - 稀释

$        0.10

$        0.12

$      (0.12)

计算净(亏损)收益每股归属于普通股股东的加权平均股数:

GAAP - 基本

      52,532

      38,627

35826

GAAP - 稀释

      52,532

      47,636

35826

Pro forma Non-GAAP – diluted (5)

147514

138527

126717

____________________

____________________

(1) Stock-based compensation expense recognized in connection with the vesting and settlement of RSUs that had previously met the time vesting condition and for which the liquidity event vesting condition was satisfied in connection with our IPO.

(1)在IPO时,满足时间限制以及流动性事件限制的RSU的归属股日期,以及与之相关的股票补偿费用。

(2) Employer payroll taxes related to the vesting and settlement of RSUs, that had previously met the time vesting condition and for which the liquidity event vesting condition was satisfied in connection with our IPO.

(2)与IPO相关的RSU的授予和行权,雇主的工资税。

(3) For the three months ended March 31, 2024, the non-GAAP tax rate of approximately 22% is calculated based on the tax laws in the jurisdictions in which we operate and exclude the impact of stock-based compensation expense and associated employer payroll taxes.  The adjustments for the three months ended December 31, 2023 and March 31, 2023 were not material.

(3)截至2024年3月31日的三个月,非GAAP税率约为22%,根据我们运营地区的税法计算,并排除股票补偿费用和相关的雇主工资税影响。 2023年12月31日和2023年3月31日的调整不重要。

(4) GAAP basic and diluted net income per share attributable to common stockholders for the three months ended December 31, 2023 was zero as all net income was attributable to preferred stockholders.

截至2023年12月31日的三个月,按照GAAP基本和摊薄的每股净收益归属于普通股股东为零,因为所有净收益均归属于优先股股东。

(5) Reconciliation of GAAP weighted-average shares to pro forma Non-GAAP weighted-average shares. We present the pro-forma non-GAAP weighted-average shares to provide meaningful supplemental information of comparable shares for each periods presented. The pro forma weighted-average shares is calculated as follows:

调和GAAP加权平均股份至调整后的非GAAP加权平均股份。 我们提供调整后的非GAAP加权平均股份,以提供独立于股份类别的可比份额的有意义的补充信息。 以下是调整后的加权平均股份的计算方法:

Three Months Ended

March 31,
2024

December 31,
2023

March 31,
2023

Shares used to compute GAAP net (loss) income per share attributable to common stockholders – diluted

         52,532

47,636

         35,826

Weighted-average effect of the assumed conversion of redeemable convertible preferred stock from the beginning of the quarter

         78,905

         90,891

         90,891

Effect of potentially dilutive equivalent shares

         16,077

                —

                —

Shares used to compute pro forma non-GAAP net income (loss) per share- diluted

       147,514

       138,527

       126,717

三个月之内结束

3月31日
2024

12月31日
2023

3月31日
2023

用于计算基本和摊薄的每股GAAP净(损)收益归属于普通股股东的股份 - 摊薄

52532

47636

35826

从本季度开始的可赎回可转换优先股的假定转换影响的加权影响股份

78905

90891

90891

潜在稀释等效股影响

16077

用于计算摊薄后的非通用会计净利润(亏损)的股份

147,514

138,527

126,717

ASTERA LABS, INC.

ASTERA LABS, INC.

 SUPPLEMENTAL FINANCIAL INFORMATION

补充财务信息

STOCK-BASED COMPENSATION EXPENSE (Unaudited)

股份补偿费用(未经审计)

 (In thousands)

(以千为单位)

 

 

Three Months Ended

March 31,
2024

December 31,
2023

March 31,
2023

Cost of revenue

$            528

$                8

$                5

Research and development

         30,007

           2,303

           1,679

Sales and marketing

         49,258

              681

                  1

General and administrative

         17,975

              307

              312

Total stock-based compensation expense (1)

$       97,768

$         3,299

$         1,997

三个月之内结束

3月31日
2024

12月31日
2023

3月31日
2023

营业收入成本

$ 528

$ 8

$ 5

研发

30,007

2,303

1,679

销售及营销费用

49,258

681

1

普通和管理

17,975

307

312

总股份为基础的补偿费用(1)

$97,768

$3,299

$1,997

____________________

____________________

(1) Stock-based compensation expense recognized during the three months ended March 31, 2024 included $88.9 million cumulative stock-based compensation expense related to the vesting and settlement of restricted stock units that had previously met the time vesting condition and for which the liquidity event vesting condition was satisfied in connection with our IPO.

(1) 控件周期内股份补偿费用共计88.9百万美元,与公司首次公开发行(IPO)相关的限制性股票单元(已达到时间限制条件并满足流动性事件限制条件)解除限制和结算。

声明:本内容仅用作提供资讯及教育之目的,不构成对任何特定投资或投资策略的推荐或认可。 更多信息
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