午评：沪指半日跌0.34% 军工装备板块领涨

Market Overview - The A-share market experienced a decline today, with all three major indices turning negative after an initial rise. The Shanghai Composite Index closed at 3821.68 points, down 0.34%, the Shenzhen Component Index at 12463.79 points, down 0.59%, and the ChiNext Index at 2897.68 points, down 0.77% [1] Sector Performance - The top-performing sectors included military equipment, military electronics, and new metal materials, showing positive growth [1] - Conversely, sectors such as energy metals, gas, and precious metals faced the largest declines [1] Detailed Sector Analysis - The leading sectors by percentage increase were: - Main industrial scenery: +3.18% with a total trading volume of 1,692.44 million hands and a net inflow of 29.92 billion [2] - Electronic components: +2.40% with a trading volume of 1,106.59 million hands and a net inflow of 6.07 billion [2] - New metal materials: +1.98% with a trading volume of 231.88 million hands and a net inflow of 5.68 billion [2] - The sectors with the largest declines included: - Energy metals: -5.04% with a trading volume of 403.99 million hands and a net outflow of 2.72 billion [2] - Gas: -1.46% with a trading volume of 586.01 million hands and a net outflow of 7.30 billion [2] - Coal mining and processing: -1.35% with a trading volume of 697.99 million hands and a net outflow of 4.93 billion [2]