午评：沪指微涨 医药商业板块领涨

Market Overview - The A-share market opened lower, with the Shanghai Composite Index later turning positive, closing at 3876.40 points, up 0.16% [1] - The Shenzhen Component Index closed at 13111.78 points, down 0.85%, while the ChiNext Index closed at 3118.30 points, down 1.81% [1] Sector Performance - The pharmaceutical commercial sector led the gains with an increase of 4.40%, total trading volume of 806.73 million hands, and a total transaction value of 88.76 billion [2] - The military electronics sector rose by 2.73%, with a trading volume of 1444.03 million hands and a transaction value of 306.12 billion [2] - The chemical fiber sector increased by 2.32%, with a trading volume of 476.08 million hands and a transaction value of 37.05 billion [2] Declining Sectors - The components sector saw a decline of 1.63%, with a trading volume of 607.69 million hands and a transaction value of 279.78 billion, experiencing a net outflow of 51.59 billion [2] - The other power equipment sector decreased by 1.10%, with a trading volume of 298.01 million hands and a transaction value of 77.17 billion, facing a net outflow of 10.60 billion [2] - The battery sector fell by 0.84%, with a trading volume of 932.72 million hands and a transaction value of 325.76 billion, also experiencing a net outflow of 36.29 billion [2]