A股收评：三大指数涨跌不一，北证50指数跌1.72%，全市场超4000股下跌

Market Performance - The three major A-share indices showed mixed results, with the Shanghai Composite Index down 0.37% to 3909 points, the Shenzhen Component Index down 0.39%, and the ChiNext Index up 0.61% [1] - The total market turnover was 1.92 trillion yuan, a decrease of 134 billion yuan compared to the previous trading day, with over 4000 stocks declining [1] Sector Performance - The Hainan sector declined, with Xin Dazhou A hitting the daily limit down [1] - The pharmaceutical retail sector fell sharply, with Ruikang Pharmaceutical and Haiwang Biological both hitting the daily limit down [1] - The precious metals sector weakened, led by Zhongjin Gold [1] - The phosphate chemical sector experienced fluctuations, with Luoping Zinc & Electricity down nearly 6% [1] - Sectors such as coal, steel, automotive dismantling, and lithium mining saw significant declines [1] Gainers - The nano-silver sector rose, with Yintang Zhikong increasing by over 11% [1] - The CPO concept was active, with Dekeli hitting the daily limit up [1] - The commercial retail sector saw gains, with stocks like Yonghui Supermarket and Central Plaza hitting the daily limit up [1] - Sectors such as lidar, lottery concepts, and dairy also showed strong performance [1] Sector Rankings - The electronics components sector led with a gain of 2.12% [2] - The communication equipment sector followed with a gain of 0.95% [2] - The office supplies and motorcycle sectors also saw positive net capital inflows [2]