有
10只选定的股票中有8只
遵循RSI指标提供的建议走势。
超买
Oversold
我们收集标普500股票，因为它包含大多数有价值的公司。
We collect stocks from S&P 500 as it contains most of valuable companies.
There are 所选股票中有10支股票跌了5支按照RSI指标提供的建议进行了操作。
发生了什么事？
特斯拉股票周五收盘下跌，终结了为期11周的连胜，据披露，CEO埃隆·马斯克出售了价值约7万亿美元的另一批公司股票，借助这次飙升，这家电动汽车制造商的市值超过1万亿美元。
本周股票大规模出售的第二轮来自于全球最富有的人和特斯拉的最大股东之一发推称，如果社交媒体平台的用户批准此举，他将出售其10%的股份。
这家电动汽车制造商的股价周五收盘下跌2.8%，报1033.42美元。今年股价上涨超过46%，在10月份的大幅上涨之后。
超买
$Pool Corp (POOL.US)$
$希捷科技 (STX.US)$
$Arista Networks (ANET.US)$
$A.O.史密斯 (AOS.US)$
$百思买 (BBY.US)$
Oversold
$Moderna (MRNA.US)$
$好事达 (ALL.US)$
$Illumina (ILMN.US)$
$PayPal (PYPL.US)$
$Dish Network (DISH.US)$
大家好mooer们:
我们选择了几只包含RSI指标的股票，以找出今天标普500指数中最超买和最超卖的公司。如何使用选股器
根据J.韦尔斯·怀尔德 Jr.创立的理论，当RSI < 30时，这是一个看好的迹象（买入信号），当RSI > 70时，这是一个看淡的迹象（卖出信号）。从本周开始，这一栏会从每日更新变更为每周，因为股票价格的变动往往需要几天时间才会按照建议的模式走势。我们将从现在开始跟踪以前选择的股票的表现。

New trend in low margin businesses
Alibaba is currently undergoing a process that is opposite to Amazon (AMZN). Amazon started with a low-margin retail business and added the profitable AWS and advertising business which now form the core of its valuation. On the other hand, Alibaba started with a highly profitable e-commerce business and is now adding lower-margin businesses like physical retail, delivery, digital media, and others. This has led to a significant fall in overall margins for Alibaba as the new businesses cannot match the margins of the core e-commerce business.
We can see from the above image that there was a whopping 82% YoY growth in Others segment. This is the revenue from physical retail stores, which is generally a very low-margin business. It has also had an impact on the employee numbers of the company. The consolidation of Sun Art has increased the headcount of the company to over 250,000 in the last quarter compared to close to 120,000 in the previous quarter.
The revenue share of Others segment has increased from 20% in the year-ago quarter to 27% in the last quarter. If Alibaba continues to acquire other physical retail chains, we could see the revenue share from Others segment increase further.
Importance of standalone valuation
Due to the above trend, it is very important to look at the standalone valuation of different segments. We can see that Alibaba's core Customer Management business reported 14% YoY growth, which is quite good considering the revenue base of this segment. This is the business that contributes most of the profits for Alibaba.
Alibaba has also reported 29% YoY growth rate in the cloud segment. The annualized revenue from this segment is close to $10 billion, which makes it one of the main players in this industry. The revenue share of cloud business is only 8%, but Alibaba has managed to report profitability within this segment. The operating margin of Amazon's AWS is 30% while Alibaba's cloud business has a margin close to 2%. It is likely that Alibaba will be able to narrow this gap in margins in the next few quarters, which can improve the sentiment for the overall stock.
Alibaba's Digital media business had modest growth of 15% compared to the year-ago quarter. However, Alibaba was able to improve the margins from negative 19% in the year-ago quarter to negative 5% in the previous quarter. This is a 14 percentage point improvement in a single year, which has helped the company save close to $0.8 billion on an annualized basis. Even though the revenue growth is quite low in this business, Alibaba has reported a healthy 30% growth rate in average daily subscribers for Youku. According to Variety, Youku's membership base is at 90-100 million compared to 112 million for Tencent Video and 119 million for $爱奇艺 (IQ.US)$ . Rapid membership growth in Youku could help Alibaba replicate Amazon Prime's success and also build better loyalty for its retail platform to defend against competition from $京东 (JD.US)$ and $拼多多 (PDD.US)$.

$Sea (SE.US)$ those stocks down this stock also down..

$英伟达 (NVDA.US)$ 超过周五的最高点，达到225美元。请相应地计划。提前欢迎。图表分析。

一个积极管理的etf， $ARK Innovation ETF (ARKK.US)$在2020年取得了非凡的回报，使Cathie Wood成为全世界的焦点，并赢得了无数的粉丝。目前，它的规模达到了2442亿美元，是目前所有ARKk ETFs中最大的。每个人都想知道的一个重要问题是：ARKk能否在2021年复制其成功？
Cathie Wood在挑选股票方面表现出敏锐的眼光，并愿意大量投资她所信任的公司。然而，我之前看过的文章提到，增长大型基金的速度与小型基金相同是更为困难的，因为基金经理面临着一个令人羡慕的问题，即决定如何分配资金涌入，并且当其购买少量交易的股票时，价格可能会被推高......

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