午评：沪指半日跌0.56% 互联网电商板块涨幅居前

Market Overview - The A-share market experienced fluctuations in early trading, with the Shanghai Composite Index closing at 3949.83 points, down 0.56% [1] - The Shenzhen Component Index closed at 13145.00 points, down 0.43%, and the ChiNext Index closed at 3091.87 points, also down 0.43% [1] Sector Performance Top Performing Sectors - The Internet e-commerce sector led the gains with an increase of 2.70%, achieving a total trading volume of 331.26 million hands and a net inflow of 31.52 billion [2] - The Cultural Media sector rose by 2.25%, with a total trading volume of 3271.69 million hands and a net inflow of 30.33 billion [2] - The Kitchen and Bathroom Appliances sector increased by 1.66%, with a trading volume of 224.39 million hands and a net inflow of 0.65 billion [2] - The IT Services sector saw a rise of 1.64%, with a trading volume of 2398.60 million hands and a net inflow of 21.29 billion [2] Underperforming Sectors - The Battery sector experienced the largest decline at -4.13%, with a trading volume of 2759.67 million hands and a net outflow of 88.07 billion [2] - The Coal Mining and Processing sector fell by 4.08%, with a trading volume of 1622.64 million hands and a net outflow of 30.66 billion [2] - The Steel sector decreased by 3.16%, with a trading volume of 2494.42 million hands and a net outflow of 28.21 billion [2] - The Industrial Metals sector dropped by 2.98%, with a trading volume of 2695.32 million hands and a net outflow of 42.11 billion [2]