A股收评：三大指数集体调整，沪指险守3800点！全市场超4700股下跌

Market Overview - Major A-share indices collectively adjusted, with the Shanghai Composite Index and Shenzhen Component Index both falling over 1.4% [1] - As of the close, the Shanghai Composite Index dropped 1.76% to 3800 points, while the Shenzhen Component Index fell 1.43% [1] - The ChiNext Index decreased by 0.69%, and the North Star 50 Index saw a decline of 2.6% [1] - Total trading volume reached 3.2 trillion yuan, an increase of 488 billion yuan compared to the previous trading day [1] - Over 4700 stocks in the market experienced declines [1] Sector Performance - The aerosol detection sector saw significant declines, with Jieqiang Equipment dropping 9% [1] - The titanium dioxide sector also weakened, with Zhenhua Shares falling nearly 7% [1] - Micro-cap stocks collectively plummeted, with over 90 stocks declining by more than 5% [1] - The textile and apparel sector showed weak performance, with multiple stocks, including Zhenai Meijia, hitting the daily limit down [1] - The cement and building materials sector weakened, with Sichuan Shuangma dropping over 6% [1] - Other sectors with notable declines included blind box economy, SPD concept, shipbuilding, and education [1] Gaining Sectors - Conversely, the CPO concept rose against the trend, with Cambridge Technology hitting the daily limit up [1] - The AI chip sector performed well, with Ruixin Micro and Yanshan Technology also reaching the daily limit up [1] - A few sectors, including F5G concept, minor metals, and optical communication modules, recorded increases [1] Index Performance - Shanghai Composite Index: 3800.35, down 68.03 points (-1.76%) [1] - Shenzhen Component Index: 12295.07, down 178.10 points (-1.43%) [1] - ChiNext Index: 2723.20, down 18.93 points (-0.69%) [1] - CSI 300 Index: 4386.13, down 66.46 points (-1.49%) [1] - CSI 500 Index: 6862.56, down 101.50 points (-1.46%) [1] - CSI 1000 Index: 7336.50, down 139.96 points (-1.87%) [1]