超3300只个股下跌

Market Overview - The A-share market showed mixed performance with the Shanghai Composite Index down by 0.22%, Shenzhen Component down by 0.1%, and the ChiNext Index down by 0.01% as of midday trading [3] - The total trading volume in the Shanghai and Shenzhen markets reached 1.99 trillion yuan, an increase of 117.1 billion yuan compared to the previous trading day, with over 3,300 stocks declining [4] Sector Performance - The AI application, fintech, e-commerce, and tourism sectors experienced a pullback, while the semiconductor industry chain saw a surge, particularly in advanced packaging and memory sectors [3] - The commercial aerospace concept stocks rebounded during the session, with notable gains in companies like Tianyin Machinery and Junda Co., which rose nearly 10% [4] - The lithium carbonate futures contract hit the daily limit down, falling by 9% to 146,200 yuan per ton [6] Notable Stocks - The stock of Zhite New Materials opened down over 19% after announcing that its business does not involve AI applications [12] - In the semiconductor materials sector, Tianyue Advanced surged over 10%, with other companies like Hengkun New Materials and Shanghai Hejing also seeing gains [9] - The power sector showed strength with Huayin Power hitting the daily limit up and other companies like Leshan Power and Shengeng Energy also rising significantly [9] Economic Indicators - The People's Bank of China conducted a 867 billion yuan reverse repurchase operation with a rate of 1.40%, while 340 billion yuan of reverse repos were set to mature today [14]