The three major A-share indices showed a weak and volatile trend in the morning. As of noon closing, the Shanghai Composite Index fell 0.19%, the Shenzhen Component Index closed flat, and the ChiNext Index fell 0.14%; the half-day turnover of the Shanghai and Shenzhen stock markets was 771.5 billion, a decrease of 16.6 billion from the previous trading day. On the market, the concept of brain-computer interface continued to be active, Aipeng Medical, Nanjing Panda, Innovation Medical, and Rongtai Health hit the daily limit. Oil and gas stocks opened low and went high, and the stablecoin concept and battery sectors led the gains. The film and television theater and weight loss drug sectors led the decline, the IP economy pulled back, and Hals hit the daily limit.