The three major A-share indices had mixed ups and downs in early trading. As of midday trading, the Shanghai Index rose 0.21%, the Shenzhen Index fell 0.25%, and the GEM Index fell 0.2%. In addition, small and large individual stocks were divided, and the micro market index fell 5.38%. The half-day turnover of the entire market was 998.7 billion yuan. Compared with the previous day's volume of 77.9 billion yuan, the total market volume fell by more than 4,500 individual stocks.

On the market, bank stocks rallied, and ICBC rose more than 3% to a new high, with a market capitalization of over 2.4 trillion yuan. Agricultural Bank and China Construction Bank both reached new highs; cultivating diamond concept stocks soared, Power Diamond and the Yellow River whirlwind rose and stopped, and the Peking University research team made major breakthroughs in the preparation and application of diamond film materials. The direction of AI applications continued to decline, with cultural media and skit game sectors leading the decline of Guangdong Media, Visual China, and Zhongguang Tianze; Internet e-commerce concept adjustments, New Xindar fell by more than 12%, Antarctic e-commerce and Beauty Beauty Makeup fell by more than 9%; real estate stocks generally fell, Rongfeng Holdings fell to a 2-month low, and Nanguo Real Estate and Zhongtian Services fell more than 9%.

Bank stocks boosted ICBC to a record high of more than 3%

The Industrial and Commercial Bank rose more than 3% to a record high, with a market capitalization of over 2.4 trillion yuan. The Agricultural Bank and China Construction Bank all reached new highs, and the Bank of Jiangsu reached new highs. According to the CITIC Securities Research Report, after the important meeting in December, the market's policy game came to an end. Thinking under the RMB asset allocation framework, bank stocks will still be a highly definitive direction. The end of the year and the beginning of the year will enter a good start to the insurance allocation season. Bank types with high dividends, low volatility, and stable operations are expected to remain the direction of increasing insurance capital.

Nurture the surge in diamond concept stocks and the rise and fall of diamonds

Power Diamond and the Yellow River whirlwind rose and stopped, Huifeng Diamond rose more than 24%, and Sifangda and Wald rose more than 10%. According to the news, on December 19, the Dongguan Institute of Optoelectronics of Peking University released the latest research results. A joint research team composed of the Southern University of Science and Technology and the University of Hong Kong made important progress in the preparation and application of diamond film materials, and successfully developed a preparation method that can mass-produce large-sized ultra-smooth flexible diamond films. This discovery marks a major leap forward in the field of diamond film technology and provides new possibilities for future applications of diamond films in various fields such as electronics and optics.

The direction of AI application continues to decline, and the cultural media and skit game sectors lead the decline

Guangdong Media, Visual China, Zhongguang Tianze, and Simei Media fell to a standstill, while 1001000, Zhejiangwen Internet, Happy Blue Ocean, and Ciwen Media fell by more than 9%.

The real estate sector declined, and Rongfeng Holdings fell to a 2-month low

Rongfeng Holdings fell to a 2-month low. Nanguo Real Estate and Zhongtian Service fell more than 9%, and various stocks such as Sunshine, Dalong Real Estate, Jingneng Real Estate, and Tiandi Yuan fell more than 5%.