A-share opening: blockchain sector fell 1.66%

A-share opening, Tencent's self-selected stock data showed that the Shanghai Composite Index reported 2900.31 points (-1.32%), Shenzhen Securities Index reported 9093.21 points (-1.54%), and the blockchain sector fell 1.66%. Of the 127 concept stocks, 21 rose, 103 fell, and 3 were flat.