A-share opening: blockchain sector fell 0.67%, visual China's down limit

A-share opening, Tencent's self-selected stock data showed that the Shanghai Composite Index reported 3164.40 points (-0.42%), Shenzhen Securities Index reported 9993.25 points (-0.60%), and the blockchain sector fell 0.67%. Of the 108 concept stocks, 17 rose, 88 fell, and 3 were flat. Visual China once again fell.