A股午评：创业板指涨2.76%，超2800股上涨，CPO概念再度活跃

Group 1 - The three major A-share indices collectively rose in the morning session, with the Shanghai Composite Index increasing by 0.14% to 3875.48 points, the Shenzhen Component Index rising by 1.61%, and the ChiNext Index up by 2.76% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.1439 trillion yuan, a decrease of 39.2 billion yuan compared to the previous day, with over 2800 stocks in the market experiencing gains [1] - Sectors such as CPO, semiconductors, and influenza concepts saw significant gains, while the China Shipbuilding Industry Corporation and military equipment sectors experienced collective adjustments [1]