沪指逼近4000点，两市成交额破万亿，电子化学品领涨

Market Performance - The Shanghai Composite Index experienced strong fluctuations in the morning session, reaching a ten-year high and approaching 4000 points [1] - The total trading volume in the Shanghai and Shenzhen markets for the half-day was 1.57 trillion, an increase of 337.2 billion compared to the previous trading day [1][3] - Over 3500 stocks in the Shanghai and Shenzhen markets rose, with the total trading volume exceeding 1 trillion for the 103rd consecutive trading day, and expected to surpass 2.5 trillion for the entire day [3] Sector Highlights - The computing hardware sector showed strong performance, with stocks like Dongtian Micro (301183) hitting the 20% daily limit up, and others like Xinyisheng (300502), Huilv Ecology (001267), and Zhongji Xuchuang (300308) reaching historical highs [1] - The electronic chemicals, minor metals, energy metals, photolithography, and storage chip sectors saw significant gains, with notable stocks such as Tongcheng New Materials (603650) and Aisen Co. rising over 10% [3] - The controlled nuclear fusion concept stocks were actively traded, with Dongfang Tantalum (000962) achieving a historical high after two consecutive days of gains [5] Notable Stocks - Stocks related to photolithography opened significantly higher, with Tongcheng New Materials hitting the daily limit up and other companies like Aisen Co. and Jingrui Electric Materials (300655) also showing strong performance [3] - Fujian local stocks surged, with Haixia Innovation hitting the daily limit up and Pingtan Development (000592) achieving five gains in seven days [5]