收盘丨沪指跌近1%失守4000点，全市场超3300只个股下跌

Market Performance - The A-share market experienced a day of volatility, with the Shanghai Composite Index falling below 4000 points, closing down 0.97% at 3990.49 [1][2] - The Shenzhen Component Index decreased by 1.93% to 13216.03, while the ChiNext Index dropped 2.82% to 3111.51 [1][2] Sector Performance - The computing power and semiconductor sectors led the decline, with storage chips, HBM, CPO, and advanced packaging showing significant losses [2] - The chemical and non-ferrous metal sectors also experienced pullbacks, while the Hainan Free Trade Port and oil and gas sectors performed well [2] Stock Movements - In the storage chip sector, companies such as Tongyou Technology, Baiwei Storage, Jiangbolong, and Purun Co. saw declines exceeding 10% [3] - The total trading volume in the Shanghai and Shenzhen markets was 1.96 trillion, a decrease of 83.9 billion from the previous trading day, with over 3300 stocks declining [4] Capital Flow - Main capital flows showed net inflows into photovoltaic equipment, banking, and real estate sectors, while electronic, power grid equipment, and communication sectors faced net outflows [6] - Specific stocks with net inflows included Yongtai Energy, Xian Dao Intelligent, and Aerospace Development, with inflows of 1.058 billion, 931 million, and 738 million respectively [6] - Conversely, stocks like Industrial Fulian, Zhaoyi Innovation, and Xinyi Sheng experienced significant net outflows of 1.936 billion, 1.720 billion, and 1.548 billion respectively [6] Institutional Insights - CITIC Securities anticipates that the A-share index will continue to fluctuate upward until 2026, but with a slower growth rate, leading investors to focus more on fundamental improvements and economic validation [7] - CITIC Jian Investment highlights the significant earnings elasticity and untapped potential of the domestic computing power chain [7]