午评：三大指数均跌超1% 银行板块涨幅居前

Core Points - The A-share market experienced a collective decline in the three major indices, with the Shanghai Composite Index down 1.23% to 3781.61 points, the Shenzhen Component Index down 1.84% to 12916.41 points, and the ChiNext Index down 1.75% to 3053.48 points [1] Sector Performance - The banking sector showed resilience, increasing by 1.25% with a total trading volume of 4,284.25 million hands and a total transaction value of 31.569 billion [2] - The port and shipping sector rose by 0.58%, with a trading volume of 1,688.23 million hands and a transaction value of 9.464 billion [2] - The insurance sector had a slight increase of 0.18%, with a trading volume of 136.41 million hands and a transaction value of 4.706 billion [2] - Conversely, the tourism and hotel sector faced the largest decline at 5.25%, with a trading volume of 1,269.64 million hands and a transaction value of 1.064 billion [2] - The medical services sector decreased by 4.23%, with a trading volume of 722.23 million hands and a transaction value of 16.245 billion [2] - The software development sector fell by 4.09%, with a trading volume of 1,888.37 million hands and a transaction value of 48.986 billion [2]