午评：沪指半日涨超1%逼近4000点，存储芯片、算力硬件股延续强势

Market Overview - The three major A-share indices collectively rose in the morning session, with the Shanghai Composite Index up by 1.04%, the Shenzhen Component Index up by 1.26%, and the ChiNext Index up by 1.54% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 15,760 billion yuan, an increase of 3,367 billion yuan compared to the previous day [1] - Over 3,700 stocks in the market experienced gains [1] Sector Performance - The steel, small metals, pork, controllable nuclear fusion, Fujian, and storage chip sectors saw significant gains [1] - The storage chip sector continued its strong performance, with stocks like Yingxin Development achieving six consecutive trading limits, and Shikong Technology achieving four consecutive trading limits [1] - CPO and other computing hardware stocks were active, with companies like Xinyisheng, Shengyi Technology, and Huilv Ecology reaching new highs during the session [1] - The steel sector maintained upward momentum, with stocks such as Xinxing Casting Pipe and Changbao Co. both hitting the daily limit [1] Declining Sectors - The wind power equipment sector mostly adjusted, with stocks like Haili Wind Power, Weili Transmission, and Pangu Intelligent experiencing declines [1] - The gaming sector also underperformed, with companies such as Youzu Network, Giant Network, and Kaiying Network showing significant losses [1]