A股收评：沪指微跌0.01% CPO、PCB等算力硬件股集体爆发

Core Viewpoint - The A-share market experienced a mixed performance with the Shanghai Composite Index slightly down by 0.01%, while the Shenzhen Component Index rose by 0.19% and the ChiNext Index fell by 0.29% [1] Market Overview - The total trading volume in the Shanghai and Shenzhen markets reached 2.54 trillion yuan, an increase of 759 billion yuan compared to the previous trading day [1] - Over 2800 stocks in the market declined, indicating a rapid rotation of market hotspots [1] Sector Performance - The computing hardware sector saw significant gains, with strong performances from PCB, CPO, liquid cooling servers, and computing chip concepts [1] - Notable stocks that hit the daily limit include ShenNan Circuit, Dazhu Laser, Guanghe Technology, and Chuanrun Shares [1] - The power sector also performed well, with GanNeng Shares achieving two consecutive limit-ups and HuaYin Power hitting the daily limit [1] - The gas turbine concept stocks collectively surged, with YingLiu Shares, WanZe Shares, DongFang Electric, and ChangBao Shares all reaching the daily limit [1] - The small metals sector was active, with YunNan GeYuan and ZhangYuan Tungsten both achieving two consecutive limit-ups [1] - Environmental stocks saw a late rally, with ZhongKe Environmental and QiDi Environment hitting the daily limit [1] Declining Sectors - The film and television, insurance, and real estate sectors experienced the largest declines [1] - The film and television concept stocks faced continuous declines, with Bona Film Group hitting the daily limit down [1]