A股收评|A股集体下跌，人工智能相关ETF全线重挫，机构称“AI”赛道已进入业绩爆发期

Group 1 - A-shares experienced a collective decline on September 4, with the Shanghai Composite Index down 1.25%, Shenzhen Component down 2.83%, and ChiNext down 4.25% [1] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 25,819 billion yuan, an increase of 1,862 billion yuan compared to the previous day [1] - Nearly 3,000 stocks in the market fell, while sectors such as dairy, retail, beauty, and tourism saw gains [1] Group 2 - Major ETFs experienced a pullback, with the largest A500 ETF (512050) declining by 2.25% [1] - AI-related ETFs saw significant declines, with the chip ETF (159995) down 7.35% and the AI ETF (515070) down 7.98% [1] - The AI computing hardware industry chain, including light modules, PCBs, and servers, faced notable pressure, with the 5G communication ETF (515050) down 8.26% and the ChiNext AI ETF (159381) down 9.53% [1] Group 3 - CITIC Securities provided insights into the structural characteristics of the current market, indicating that market pricing logic is returning to fundamentals, with performance closely correlated to stock price movements [2] - The AI sector is entering a performance explosion phase, while humanoid robots and new consumption are in pre-mass production and high-growth phases, respectively [2] - The economy is slowly recovering, driven by new growth engines, and investors are advised to selectively capture structural opportunities in high-growth sectors [2]