A股午评：沪指微涨0.09% 商业航天、AI应用端全线走强

Market Overview - The three major indices showed mixed performance, with the Shanghai Composite Index turning positive while the Shenzhen Component Index narrowed its decline [1][2] - The half-day trading volume in the Shanghai and Shenzhen markets reached 1.77 trillion yuan, a decrease of 701 billion yuan compared to the previous trading day [1][2] Stock Performance - Over 3,700 stocks in the market rose, with 80 stocks hitting the daily limit up [1][2] - The commercial aerospace sector was notably active, with over ten constituent stocks hitting the daily limit up, including Lushin Investment with 8 limit ups in 10 days, Galaxy Electronics with 4 consecutive limit ups, and Tongyu Communication with 2 consecutive limit ups [1][2] - The AI application sector saw a significant surge, with stocks like Jiuxin Software and Baoxin Software also hitting the daily limit up [1][2] - The brain-computer interface concept strengthened, with stocks such as Innovation Medical, Pulite, and Nanjing Panda achieving 4 consecutive limit ups [1][2] - The controllable nuclear fusion concept was active, with China First Heavy Industries, China National Machinery Industry Corporation, and China Nuclear Engineering hitting 2 consecutive limit ups [1][2] Declining Sectors - The securities sector weakened, with Hualin Securities hitting the daily limit down [1][2] - At market close, the Shanghai Composite Index rose by 0.09%, while the Shenzhen Component Index fell by 0.2%, and the ChiNext Index declined by 0.52% [1][2]