收评：两市午后跳水沪指转跌 银行保险板块跌幅居前

Market Overview - The A-share market experienced a decline in the afternoon session, with the Shanghai Composite Index falling by 0.31% to close at 4126.09 points, while the Shenzhen Component Index rose by 0.56% to 14248.60 points, and the ChiNext Index increased by 0.82% to 3349.14 points [1] Sector Performance - The leading sectors in terms of gains included: - Internet E-commerce, which rose by 5.69% with a total transaction volume of 1,059.10 million hands and a transaction value of 140.18 billion [2] - IT Services, increasing by 4.09% with a transaction volume of 10,004.50 million hands and a transaction value of 1,902.82 billion [2] - Cultural Media, up by 3.98% with a transaction volume of 9,470.94 million hands and a transaction value of 1,498.68 billion [2] - The sectors that experienced declines included: - Insurance, which fell by 2.00% with a transaction volume of 371.77 million hands and a transaction value of 166.07 billion [2] - Banking, down by 1.45% with a transaction volume of 5,198.16 million hands and a transaction value of 426.83 billion [2] - Airport and Shipping, decreasing by 1.12% with a transaction volume of 1,481.87 million hands and a transaction value of 87.71 billion [2]