收评：三大指数均跌超1% AI产业链股逆市活跃

Market Overview - The Shanghai Composite Index closed at 3831.66 points, down 1.15%, with a trading volume of 13659.62 billion yuan [1] - The Shenzhen Component Index closed at 13075.66 points, down 1.06%, with a trading volume of 17691.95 billion yuan [1] - The ChiNext Index closed at 3095.85 points, down 1.64%, with a trading volume of 8295.09 billion yuan [1] Sector Performance - Sectors such as non-ferrous metals, brokerage, coal, real estate, insurance, oil, banking, and liquor all experienced declines [1] - The tourism and catering sector showed resilience, rising against the market trend [1] - The semiconductor and chip concepts were strong, with AI-related stocks in the CPO sector being particularly active [1]