午评：沪指半日跌0.79% 贵金属板块涨幅居前

Market Overview - The three major indices in the A-share market experienced a collective decline, with the Shanghai Composite Index closing at 3844.84 points, down 0.79%, the Shenzhen Component Index at 12545.82 points, down 2.21%, and the ChiNext Index at 2870.72 points, down 2.90% [1] Sector Performance - The sectors that showed the highest gains included precious metals, banking, and tourism & hotels, while the sectors with the largest declines were communication equipment, components, and consumer electronics [1] Detailed Sector Analysis - The audio sector led with a gain of 2.05%, achieving a total trading volume of 969.07 million hands and a total transaction amount of 163.92 billion [2] - The banking sector increased by 1.22%, with a trading volume of 3793.51 million hands and a transaction amount of 291.79 billion, alongside a net inflow of 73.89 billion [2] - The tourism & hotel sector rose by 0.65%, with a trading volume of 969.48 million hands and a transaction amount of 93.56 billion, resulting in a net inflow of 3.18 billion [2] - In contrast, the communication equipment sector saw a significant decline of 5.53%, with a trading volume of 2280.10 million hands and a transaction amount of 1219.80 billion, alongside a net outflow of 118.44 billion [2] - The components sector fell by 5.47%, with a trading volume of 1548.55 million hands and a transaction amount of 592.03 billion, resulting in a net outflow of 56.11 billion [2] - The consumer electronics sector decreased by 4.57%, with a trading volume of 2562.84 million hands and a transaction amount of 655.60 billion, leading to a net outflow of 81.47 billion [2]