A股收评：指数分化，沪指、创业板指调整，深证成指涨0.26%北证50跌0.76%，CRO、稀土永磁领跌！近2500股下跌，成交额2.71万亿缩量4671亿元

Market Overview - The A-share major indices showed mixed performance, with the Shanghai Composite Index down by 0.39% closing at 3868 points, while the Shenzhen Component Index increased by 0.26% [1][2] - The total trading volume for the day was 2.71 trillion yuan, a decrease of 467.1 billion yuan compared to the previous trading day [1] Index Performance - Shanghai Composite Index: 3868.38, down 15.18 points (-0.39%) [2] - Shenzhen Component Index: 12473.17, up 32.11 points (+0.26%) [2] - ChiNext Index: 2742.13, down 20.86 points (-0.76%) [2] - The total market saw over 2800 stocks rise and nearly 2500 stocks fall [1] Sector Performance - The top-performing sectors included daily chemicals (+2.40%), food (+1.83%), and cultural media (+1.18%) [2][3] - The mixed reality sector saw strong performance with stocks like GoerTek (歌尔股份) hitting the daily limit [3] - Conversely, the CRO sector faced declines, with Sunshine Guohe dropping nearly 10% [3] - Other underperforming sectors included small metals, rare earth permanent magnets, and AI chips, with stocks like Northern Rare Earth (北方稀土) falling over 6% and Aibulu dropping over 10% [3]