A股收评：沪指涨破3800点续创十年新高，科创50指数大涨8.59%，AI芯片、半导体板块爆发

Market Performance - Major A-share indices collectively rose, with the Shanghai Composite Index breaking through 3800 points, reaching a ten-year high at 3825 points, up 1.45% [1] - The Shenzhen Component Index increased by 2.07%, while the ChiNext Index surged by 3.36%, and the STAR Market 50 Index jumped by 8.59%, marking a three-year high [1] - Total trading volume reached 2.58 trillion yuan, an increase of 118.5 billion yuan compared to the previous trading day, with over 2800 stocks rising [1] Sector Performance - The AI chip, semiconductor, and storage chip sectors experienced significant gains following NVIDIA's suspension of H20 chip production, with stocks like Cambrian, Shengmei Shanghai, and Haiguang Information hitting the 20% daily limit [1] - The multi-modal AI sector also saw a rise, with Kunlun Wanwei reaching a 20% limit up [1] - The CPO concept was active, with Fangzheng Technology hitting the limit up [1] - Brokerage concepts strengthened in the afternoon, with Everbright Securities and Xinda Securities reaching the limit up [1] - Other sectors with notable gains included IPv6, electronic chemicals, and computing power concepts [1] Declining Sectors - The Helicobacter pylori concept saw a decline, with Jimin Health hitting the limit down [1] - The gas and shale gas sectors fell, with Yunnan Energy Investment leading the decline [1] - Other sectors that experienced significant drops included ecological agriculture, fertilizer industry, dairy, and banking [1] Top Gainers and Fund Inflows - Semiconductor sector led the gainers with a 6.83% increase, followed by computer hardware at 5.08% and education at 4.219% over five days [2] - Communication equipment and internet sectors also showed positive performance with increases of 3.73% and 3.43% respectively [2] - Brokerage sector recorded a 3.389% increase over the same period [2]