A股收评：三大指数均跌逾2.4%！科创50指数重挫3.88%，全市场超4600股下跌，贵金属、有色金属现跌停潮

Market Overview - The three major A-share indices collectively declined, with the Shanghai Composite Index falling by 2.48% to 4015 points, the Shenzhen Component Index down by 2.69%, and the ChiNext Index decreasing by 2.46% [1] - The total market turnover was 2.61 trillion yuan, a decrease of 255.8 billion yuan compared to the previous trading day, with over 4600 stocks declining and more than 100 stocks hitting the daily limit down [1] Sector Performance - International precious metals continued to plummet, leading to a wave of limit-downs in the precious and non-ferrous metals sectors, with companies like Hunan Gold and Xicheng Technology among over twenty stocks hitting the limit down [1] - The fertilizer and phosphate chemical sectors also saw declines, with Dongfang Iron Tower hitting the limit down [1] - The coal sector experienced a downturn, with Dayou Energy hitting the limit down [1] - The semiconductor sector faced significant losses, with Zhongwei Semiconductor and over ten other stocks dropping more than 10% [1] - Other sectors with notable declines included storage chips, steel, combustible ice, and chemical raw materials [1] - Conversely, the electric grid equipment and ultra-high voltage sectors rose against the trend, with stocks like Tongguang Cable and Baiyun Electric hitting the limit up [1] - The liquor industry showed strength, with Jinhui Liquor hitting the limit up [1] Index Performance - The Shanghai Composite Index closed at 4015.75, down 102.20 points or 2.48% [2] - The Shenzhen Component Index closed at 13824.35, down 381.54 points or 2.69% [2] - The ChiNext Index closed at 3264.11, down 82.24 points or 2.46% [2] - The STAR Market 50 Index fell by 3.88% to 1450.90 [2] - The CSI 300 Index decreased by 2.13% to 4605.98, while the CSI 500 Index fell by 3.98% to 8037.05 [2] Top Gainers - The top gainers included sectors such as liquor and tea, with liquor up by 1.83% and soft drinks by 0.18% [3] - The banking sector also showed a slight increase of 0.129% over five days [3] - Other sectors like highways and electric grid equipment had minimal changes, with highways up by 0.03% and electric grid down by 0.22% [3]