A股午评：沪指涨1.2%冲刺4200点，超4700股上涨！AI应用板块全面爆发

Core Viewpoint - The A-share market showed strong performance in the morning session, with all three major indices rising significantly, indicating positive investor sentiment and market momentum [1] Market Performance - The Shanghai Composite Index increased by 1.2% to 4188.24 points - The Shenzhen Component Index rose by 1.98% - The ChiNext Index saw a gain of 2.24% - The North Star 50 Index surged by 2.96% [1] Trading Volume - The total market turnover reached 22,459 billion, a decrease of 2,224 billion compared to the previous day - Over 4,700 stocks in the market experienced price increases [1] Sector Highlights - A joint initiative by eight departments to promote the "Artificial Intelligence + Manufacturing" special action led to a significant surge in AI application stocks - The non-ferrous metal sector saw collective strength, with companies like Zijin Mining and Jiangxi Copper reaching new highs - After Bawei Storage announced a performance increase, its stock rose over 7%, contributing to a general uptrend in storage chip stocks [1]