午评：沪指震荡上涨0.4% 金属类板块走强

Core Viewpoint - The A-share market experienced a volatile upward trend, with the Shanghai Composite Index rising by 0.40% to 3878.13 points, the Shenzhen Component Index increasing by 0.31% to 13521.11 points, and the ChiNext Index gaining 0.06% to 3240.02 points [1] Sector Performance - The top-performing sectors included energy metals (up 4.43%), small metals (up 2.79%), semiconductors (up 2.74%), and industrial metals (up 2.30%) [1] - Conversely, the sectors that saw declines were led by banks (down 0.97%), insurance (down 0.82%), and liquor (down 0.69%) [1] Trading Volume and Capital Flow - The total trading volume for the energy sector was 447.83 million hands, with a total transaction value of 221 billion yuan and a net inflow of 0.83 billion yuan [1] - In contrast, the banking sector had a trading volume of 2260.25 million hands, a transaction value of 168.55 billion yuan, and a net outflow of 30.31 billion yuan [1]