A股午评：沪指涨0.2%，盘中突破3700点

Market Overview - A-shares showed mixed performance with the Shanghai Composite Index up by 0.20%, surpassing 3700 points during the session [1] - The Shenzhen Component Index fell by 0.15%, while the ChiNext Index decreased by 0.23% and the North Star 50 Index dropped by 0.98% [1] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 14,313 billion yuan, an increase of 1,030 billion yuan compared to the previous day [1] - Over 4,200 stocks in the market experienced declines [1] Sector Performance - The digital currency and large financial sectors saw gains, while the CPO sector underwent adjustments [1] - The digital currency sector was notably strong, with Guotou Intelligent hitting the daily limit up of 20%, and several other stocks like Hengbao Co., Zhongke Jincai, and Jingbeifang also reaching their daily limit up [1] - The large financial sector performed well, with China Pacific Insurance rising over 4% and Changcheng Securities hitting the daily limit up [1] - The CPO sector faced declines, with Dongshan Precision and Jingwang Electronics dropping over 7% [1]