News, class A shares closed, the Shanghai Composite Index reported 3258.86 points, closing down 6.62%, the Shenzhen Composite Index reported 10557.81 points, closing down 8.15%, the Shenzhen Blockchain 50 Index reported 3344.48 points, closing down 4.5%. The blockchain sector closed down 6.8%, and the digital currency sector closed down 3.32%.