收评：沪指跌0.25% 能源金属板块涨幅居前

Market Overview - The A-share market experienced fluctuations with all three major indices closing lower. The Shanghai Composite Index closed at 3997.56 points, down 0.25%, with a trading volume of 875.49 billion yuan. The Shenzhen Component Index closed at 13404.06 points, down 0.36%, with a trading volume of 1123.57 billion yuan. The ChiNext Index closed at 3208.21 points, down 0.51%, with a trading volume of 498.52 billion yuan [1]. Sector Performance - The top-performing sectors included: - Energy metals with a gain of 2.87%, total trading volume of 606.55 million hands, and a net inflow of 28.04 billion yuan. - Chemical raw materials increased by 2.73%, with a trading volume of 2359.56 million hands and a net inflow of 18.37 billion yuan. - Battery sector rose by 2.50%, with a trading volume of 3640.42 million hands and a net inflow of 57.64 billion yuan. - Agricultural chemical products increased by 2.25%, with a trading volume of 2765.41 million hands and a net inflow of 16.37 billion yuan [2]. - The sectors that faced declines included: - Components sector decreased by 1.58%, with a trading volume of 1208.45 million hands and a net outflow of 24.20 billion yuan. - Software development fell by 1.55%, with a trading volume of 2160.65 million hands and a net outflow of 63.04 billion yuan. - Electric machinery dropped by 1.50%, with a trading volume of 911.78 million hands and a net outflow of 23.72 billion yuan. - IT services declined by 1.48%, with a trading volume of 2515.56 million hands and a net outflow of 59.50 billion yuan [2].