收评：沪指收跌0.19% 贵金属板块涨幅居前

Core Points - A-shares opened lower but rebounded throughout the day, with the Shanghai Composite Index closing at 3889.50 points, down 0.19% [1] - The Shenzhen Component Index closed at 13231.47 points, down 0.93%, while the ChiNext Index closed at 3078.76 points, down 1.11% [1] - Total trading volume for the day was approximately 10854.14 billion yuan for the Shanghai index and 12693.27 billion yuan for the Shenzhen index [1] Sector Performance - Precious metals, new metal materials, and minor metals sectors showed the highest gains, while automotive parts, gaming, and consumer electronics sectors experienced the largest declines [1] - The top-performing sectors included: - 丰金庫 with a gain of 6.69% and a total trading volume of 1169.15 million hands [2] - 金属新材料 with a gain of 5.12% and a total trading volume of 1203.34 million hands [2] - 小我屋 with a gain of 3.99% and a total trading volume of 1677.70 million hands [2] - Other notable sectors included: - 能源金属 up 3.28% with a trading volume of 584.01 million hands [2] - 未含体 up 2.17% with a trading volume of 3594.89 million hands [2]