收盘丨A股三大股指集体收跌，全市场超3400只个股下跌

Market Overview - The total trading volume in the Shanghai and Shenzhen markets was 2.32 trillion yuan, a decrease of 811.3 billion yuan compared to the previous trading day [1] - On September 19, all three major stock indices closed lower, with the Shanghai Composite Index at 3820.09 points, down 0.3%, the Shenzhen Component Index at 13070.86 points, down 0.04%, and the ChiNext Index at 3091.00 points, down 0.16% [1][2] Sector Performance - The energy metals, semiconductor industry chain, and coal sectors showed the highest gains, while humanoid robots, automotive, and pharmaceutical commercial concepts weakened [4] - The energy metals sector rose by 3.23%, with major inflows of 2.81 billion yuan, while the coal mining and processing sector increased by 1.82% with inflows of 550 million yuan [5] Individual Stock Highlights - Notable performers included Ganfeng Lithium, which hit the daily limit, and other stocks like Tianqi Lithium and Huanrui Precision that also saw significant gains [5] - In the photolithography machine sector, stocks such as Tengjing Technology and Wavelength Optoelectronics surged over 14%, while humanoid robot stocks like Jinfatech and DR Wolong faced significant declines [6] Capital Flow - Main capital flows showed net inflows into electronics, non-ferrous metals, and defense sectors, while there were net outflows from automotive, biomedicine, and computer sectors [7] - Specific stocks with net inflows included OFILM, Ganfeng Lithium, and Luxshare Precision, receiving 1.986 billion yuan, 1.569 billion yuan, and 1.141 billion yuan respectively [8] Institutional Insights - Guojin Securities suggested that the recent drop presents an opportunity for gradual accumulation, emphasizing that the demand for foreign investment in Chinese assets will only increase [10] - Dexun Securities noted that the Shanghai index has shown strong consolidation above 3800 points, with a potential for short-term fluctuations but maintaining a positive medium-term outlook [10]