午评：沪指半日涨1.17% 贵金属板块走强

Core Viewpoint - The A-share market experienced a collective rise in the three major indices, with the Shanghai Composite Index increasing by 1.17%, the Shenzhen Component Index by 1.82%, and the ChiNext Index by 1.76% during the morning session [1]. Sector Performance Top Gaining Sectors - The oil and gas extraction and services sector saw the highest increase, with a rise of 10.29%, totaling a trading volume of 1,436.64 million hands and a net inflow of 126.43 billion [2]. - The precious metals sector followed with a gain of 6.82%, achieving a trading volume of 654.74 million hands and a net inflow of 201.86 billion [2]. - The agricultural chemical products sector rose by 4.97%, with a trading volume of 1,668.54 million hands and a net inflow of 189.59 billion [2]. Top Declining Sectors - The film and cinema sector experienced the largest decline, dropping by 6.95%, with a trading volume of 1,467.08 million hands and a net outflow of 7.86 billion [2]. - The software development sector decreased by 1.88%, with a trading volume of 1,794.99 million hands and a net outflow of 40.87 billion [2]. - The cultural media sector fell by 1.54%, with a trading volume of 2,641.59 million hands and a net outflow of 28.23 billion [2].