午评：沪指半日跌0.34% AI应用方向逆势大涨

Core Viewpoint - The market experienced a slight decline in the morning session, with the Shanghai Composite Index falling below 3600 points, while AI application sectors saw significant gains [1] Market Performance - The Shanghai Composite Index dropped by 0.34%, the Shenzhen Component Index fell by 0.29%, and the ChiNext Index decreased by 0.32% [1] - The total trading volume in the Shanghai and Shenzhen markets was 1.11 trillion, a decrease of 9.45 billion compared to the previous trading day [1] Sector Performance - AI application sectors collectively surged, with companies like Sai Group hitting the daily limit of 20% increase [1] - Medical device stocks showed strength, with Kangtai Medical also reaching a 20% increase [1] - Logistics sector stocks experienced a brief rise, with Shentong Express hitting the daily limit [1] - Conversely, the super hydropower sector saw significant declines, with Shen Shui Institute dropping over 10% [1] - The top-performing sectors included medical devices, multimodal AI, Huawei Ascend, and cultural media, while the worst-performing sectors included Hainan Free Trade Zone, super hydropower, controllable nuclear fusion, and cement [1]