收评：沪指跌0.25% 油气开采及服务板块全天领涨

Core Viewpoint - The A-share market experienced a low opening followed by a rise, but ultimately closed lower, with the Shanghai Composite Index down by 0.25% and the Shenzhen Component Index down by 0.33% [1] Market Performance - The Shanghai Composite Index closed at 4065.58 points, with a trading volume of 898.655 billion yuan - The Shenzhen Component Index closed at 13906.73 points, with a trading volume of 1247.064 billion yuan - The ChiNext Index closed at 3236.46 points, with a trading volume of 560.718 billion yuan [1] Sector Performance - The top-performing sectors included: - Oil and gas extraction and services, up by 4.28% with a trading volume of 252.335 billion yuan and a net inflow of 18.438 billion yuan - Battery sector, up by 2.12% with a trading volume of 178.701 billion yuan and a net inflow of 9.256 billion yuan - Chemical raw materials, up by 1.83% with a trading volume of 178.297 billion yuan and a net inflow of 1.748 billion yuan [2] - The sectors with the largest declines included: - Tourism and hotels, down by 2.19% with a trading volume of 81.104 billion yuan and a net outflow of 0.887 billion yuan - Cultural media, down by 1.90% with a trading volume of 402.519 billion yuan and a net outflow of 1.602 billion yuan - Retail, down by 1.57% with a trading volume of 275.401 billion yuan and a net outflow of 3.107 billion yuan [2]