News, class A shares opened, the Shanghai Composite Index reported 3287.87 points, the opening fell 2.55%, the Shenzhen Composite Index reported 10366.57 points, the opening fell 3.92%, the Shenzhen blockchain 50 index reported 3100.26 points, the opening fell 2.01%. The blockchain sector opened down 3.3%, and the digital currency sector opened down 1.47%.