收评：沪指低开低走跌0.46% 能源金属板块强势

Market Overview - The A-share market experienced weak fluctuations today, with the Shanghai Composite Index opening lower and closing at 3972.03 points, down 0.46% with a trading volume of 805.73 billion yuan [1] - The Shenzhen Component Index closed at 13202.01 points, down 0.11% with a trading volume of 1105.06 billion yuan [1] - The ChiNext Index ended at 3105.20 points, down 0.20% with a trading volume of 486.64 billion yuan [1] Sector Performance - The top-performing sectors included Energy Metals, IT Services, and Military Equipment, with notable gains [1] - Conversely, sectors such as Biopharmaceuticals, Precious Metals, and Pharmaceutical Commerce saw significant declines [1] Detailed Sector Analysis - Top Gainers: - Lipids and Related Products: +5.26% with a trading volume of 763.42 million hands and a net inflow of 4.02 billion yuan [2] - IT Services: +2.50% with a trading volume of 2842.22 million hands and a net inflow of 4.69 billion yuan [2] - Main Industrial Equipment: +2.42% with a trading volume of 2028.79 million hands and a net inflow of 4.84 billion yuan [2] - Top Losers: - Biopharmaceuticals: -2.17% with a trading volume of 581.70 million hands and a net outflow of 1.78 billion yuan [2] - Precious Metals: -2.13% with a trading volume of 392.90 million hands and a net outflow of 0.79 billion yuan [2] - Pharmaceutical Commerce: -2.02% with a trading volume of 693.84 million hands and a net outflow of 1.72 billion yuan [2]