收评：沪指微涨 有色金属板块全天强势

Market Overview - The Shanghai Composite Index closed at 4131.98 points, with a slight increase of 0.09%, while the Shenzhen Component Index fell by 0.35% to 14160.93 points, and the ChiNext Index decreased by 1.08% to 3284.74 points [1] - Total trading volume for the Shanghai market was 822.608 billion yuan, while the Shenzhen market recorded a trading volume of 1161.645 billion yuan [1] Sector Performance - The top-performing sectors included small metals, energy metals, and oil and gas extraction and services, with notable gains [1] - Conversely, sectors such as film and television, cultural media, and education experienced significant declines, with the film and television sector dropping by 5.31% [2] Detailed Sector Analysis - Small metals sector increased by 3.64%, with a total trading volume of 1213.27 million hands and a net inflow of 46.96 billion yuan [2] - The oil and gas extraction and services sector rose by 2.08%, with a trading volume of 1953.35 million hands and a net inflow of 13.60 billion yuan [2] - The film and television sector saw a decline of 5.31%, with a trading volume of 4411.04 million hands and a net outflow of 38.70 billion yuan [2] - Cultural media sector decreased by 3.07%, with a trading volume of 5523.43 million hands and a net outflow of 83.03 billion yuan [2]