[Shanghai Composite Index Falls Below 3800 Points] According to Golden Finance, on July 28, the A-share Shanghai Composite Index fell below the 3800-point threshold, currently down 1.54%; the STAR 50 Index dropped over 7%, the ChiNext Index fell over 7.5%, and the Shenzhen Component Index declined by 4.65%. C Changxin's afternoon trading volume exceeded 40 billion yuan, currently down 2.8%.