午评：沪指窄幅震荡微跌 算力概念股持续活跃

Group 1 - The market experienced slight declines in the early session, with the Shanghai Composite Index down 0.06%, the Shenzhen Component down 0.18%, and the ChiNext Index down 0.48% [1][2] - The total trading volume in the Shanghai and Shenzhen markets reached 746.7 billion, an increase of 32.4 billion compared to the previous trading day [1] - Over 2900 stocks declined, indicating a broad market weakness, while sectors such as computing power, chemicals, and agriculture showed notable activity with stocks like Qingyun Technology and Xianda Co. hitting the daily limit [1] Group 2 - The computing power concept stocks remained active, with significant gains observed in related companies [1] - The chemical and pesticide sectors also performed well, with stocks like Xianda Co. reaching their daily limit [1] - Conversely, the football concept stocks faced adjustments, with Jinling Sports dropping over 10% [1]