收评：沪指微跌 军工板块强势，工业软件概念等活跃

Market Overview - The Shanghai Composite Index closed at 4082.98 points, down 0.07%, with a trading volume of 11,831.89 billion [1] - The Shenzhen Component Index closed at 13,959.48 points, down 0.51%, with a trading volume of 16,170.77 billion [1] - The ChiNext Index closed at 3,302.31 points, down 0.82%, with a trading volume of 7,503.35 billion [1] Sector Performance - The insurance, brokerage, and banking sectors collectively declined [1] - The military industry sector showed strong performance [1] - Real estate, steel, pharmaceuticals, and semiconductor sectors experienced gains [1] - Industrial software, commercial aerospace, and military trade concepts were active [1]