A股午评：创业板指跌1.1%，超3000股下跌，AI应用方向逆势上涨

Market Performance - The three major A-share indices opened high but closed lower, with the Shanghai Composite Index down 0.07% at 3962.24 points [1] - The Shenzhen Component Index fell by 0.67%, and the ChiNext Index decreased by 1.1% [1] - The North China 50 Index declined by 0.35% [1] Trading Volume - The half-day trading volume in the Shanghai and Shenzhen markets reached 13,249 billion yuan, an increase of 210 billion yuan compared to the previous day [1] - Over 3,000 stocks in the market experienced declines [1] Sector Performance - AI application sectors continued to perform strongly, with education, military electronics, and software development sectors leading in gains [1] - Conversely, the paper, pharmaceutical retail, and battery sectors underwent adjustments [1]