收评：沪指跌0.33% 贵金属板块全天领涨

Market Overview - The A-share market showed mixed performance with the Shanghai Composite Index closing at 4112.60 points, down by 0.33% and a total transaction volume of 11,759.15 billion yuan [1] - The Shenzhen Component Index rose by 0.41% to 14,306.73 points with a transaction volume of 17,295.81 billion yuan [1] - The ChiNext Index increased by 0.56% to 3,367.92 points, with a transaction volume of 8,412.62 billion yuan [1] Sector Performance - The top-performing sectors included precious metals, electronic chemicals, and agricultural chemicals, with respective gains of 3.35%, 3.32%, and 2.44% [2] - The internet e-commerce, pharmaceutical commerce, and IT services sectors experienced the largest declines, with losses of 4.51%, 3.66%, and 3.52% respectively [2] Transaction Data - The electronic chemicals sector had a total transaction volume of 1,477.21 million hands and a total transaction amount of 411.60 billion yuan, with a net inflow of 36.62 billion yuan [2] - The agricultural chemicals sector recorded a transaction volume of 2,005.85 million hands and a transaction amount of 278.07 billion yuan, with a net inflow of 26.74 billion yuan [2] - In contrast, the internet e-commerce sector had a transaction volume of 707.57 million hands and a transaction amount of 100.41 billion yuan, with a net outflow of 12.91 billion yuan [2]