A股收评：三大指数涨跌不一，AI应用、可控核聚变领涨

Market Performance - The three major A-share indices showed mixed results on the 25th, with the Shanghai Composite Index down 0.01%, the Shenzhen Component Index up 0.67%, and the ChiNext Index up 1.58%, while the North China 50 Index fell by 1.37% [2] - The total trading volume in the Shanghai and Shenzhen markets reached 23,918 billion yuan, an increase of 446 billion yuan compared to the previous day [2] - Over 3,800 stocks in the market experienced declines [2] Sector Performance - The gaming, copper cable high-speed connection, controllable nuclear fusion, metal copper, film and television, and wind power equipment sectors saw the largest gains [2] - In contrast, the precious metals, gas, port shipping, oil and gas extraction and services, engineering machinery, and logistics sectors experienced the largest declines [2] Notable Stocks - AI application concept stocks, including Kunlun Wanwei, Huanrui Century, and Mango Super Media, saw significant increases [2] - The controllable nuclear fusion sector was active, with stocks like Hezhong Intelligent, Hahai Huaton, and Shanghai Electric hitting the daily limit [2] - The non-ferrous metals sector surged, particularly in copper, with stocks such as Jingyi Co., Luoyang Molybdenum, and Naipu Mining also hitting the daily limit [2] - Other sectors like computing hardware and wind power equipment showed notable movements [2] Declining Stocks - The port shipping sector collectively adjusted, with Nanjing Port, Ningbo Shipping, and Ningbo Ocean showing the largest declines [2] - The engineering machinery sector also experienced fluctuations, with stocks like Shanhe Intelligent, Huadong Heavy Machinery, and Anhui He Li leading the declines [2]