午评：创业板指低开高走半日涨2.68% 能源金属板块领涨

Core Points - The three major indices in the A-share market opened lower but rose throughout the day, with the Shanghai Composite Index closing at 4017.94 points, up 0.44%, the Shenzhen Component Index at 13478.83 points, up 1.80%, and the ChiNext Index at 3205.76 points, up 2.68% [1] Industry Performance - The energy metals, battery, and small metals sectors showed significant gains, while the banking, oil and gas extraction and services, and road and rail transportation sectors experienced declines [1] A-Share Market Sector Rankings - The top-performing sectors included: - Service industry with an increase of 8.42%, total trading volume of 496.14 million hands, and total transaction value of 24.422 billion [2] - Battery sector with a rise of 6.91%, total trading volume of 3291.92 million hands, and total transaction value of 109.519 billion [2] - Small materials sector with a gain of 3.99%, total trading volume of 666.17 million hands, and total transaction value of 1.9555 billion [2] - The sectors with declines included: - Banking sector down 1.06%, total trading volume of 2705.93 million hands, and total transaction value of 19.717 billion [2] - Oil and gas extraction and services down 0.86%, total trading volume of 1167.38 million hands, and total transaction value of 6.229 billion [2] - Road and rail transportation down 0.68%, total trading volume of 485.30 million hands, and total transaction value of 3.100 billion [2]