刚刚，直线拉升！DeepSeek突发！

Market Overview - The A-share market experienced a slight decline on August 21, with the three major indices turning negative around 14:20, but managed to recover slightly by the end of the trading session. The Shanghai Composite Index rose by 0.13%, while the Shenzhen Component Index fell by 0.06%, and the ChiNext Index dropped by 0.47% [1] - A total of 2,170 stocks rose, 56 stocks hit the daily limit up, and 3,091 stocks declined [2] Stock Performance - The total trading volume reached 24,603.35 billion, with a total of 162,011.0 million shares traded. The number of rising stocks decreased by 543, representing a decline of 20.01% [3] - Notable stocks that surged included Sanwei Xinan (688489) with a rise of 20.01% to 51.70, and Beixin Source (300352) with a rise of 19.97% to 7.57 [5] Sector Highlights - Stablecoin concept stocks performed well against the market trend, with several stocks hitting the daily limit up due to positive news exceeding market expectations [4] - Oil and gas stocks saw a rise, with Zhuan Oil Co. (002207) and Shenkai Co. (002278) both hitting the daily limit up [6] - Banking stocks showed strength, with Agricultural Bank and Postal Savings Bank (601658) reaching new historical highs [8] - The agriculture sector experienced significant gains, with Muyuan Foods (002714) rising nearly 6%. The company reported a total revenue of 76.463 billion for the first half of the year, a year-on-year increase of 34.46%, and a net profit of 10.53 billion, up 11.7 times year-on-year [10] Declines - The liquid cooling server concept stocks faced adjustments, with Jintian Co. (601609) and Chuanrun Co. (002272) hitting the daily limit down [11] - The market saw a notable decline in high-flying stocks, with several stocks experiencing significant drops, including Lianhuan Pharmaceutical (600513) and Zhongdian Xindong (002298) [13] Company News - DeepSeek announced the release of its upgraded AI model, DeepSeek-V3.1, which features a mixed reasoning architecture and improved efficiency. This news led to a late-session rally in DeepSeek concept stocks [14][16]