午评：沪指半日涨0.16% 贵金属板块走强

Core Viewpoint - The A-share market experienced a collective rise in the three major indices during the morning session, with the Shanghai Composite Index up by 0.16%, the Shenzhen Component Index up by 0.76%, and the ChiNext Index up by 0.85% [1] Market Performance - The top-performing sectors included precious metals, minor metals, and energy metals, while sectors such as liquor, coal mining and processing, and tourism and hotels saw declines [1] - The audio sector led the gains with a rise of 6.13%, followed by minor metals at 2.90% and energy-related sectors at 2.89% [2] - The coal mining and processing sector experienced the largest decline at -1.70%, followed by tourism and hotels at -1.32% and the internet e-commerce sector at -0.67% [2] Trading Volume and Net Inflow - The audio sector had a total trading volume of 905.83 million hands and a net inflow of 12.17 billion yuan [2] - The coal mining and processing sector recorded a total trading volume of 692.59 million hands with a net outflow of 7.06 billion yuan [2]