According to Jin10, mainland Chinese stocks were mixed at midday on August 4, with the Shanghai Composite flat, the Shenzhen Component up 2.74%, and the ChiNext Index up 4.83%. Computing power concept stocks rallied, with multiple shares, including Litong Electronic, hitting limit up; liquid-cooled server concept stocks also strengthened, with shares including Bojie Co. hitting limit up; the pharmaceutical sector was active, with WuXi AppTec among the gainers; and gaming, semiconductors, education, and consumer electronics led gains, while banking, insurance, and baijiu were among the laggards. More than 3,700 stocks rose, and half-day turnover exceeded 1.3 trillion yuan.