A-share opening: blockchain sector opened up 0.41%, Shenzhen Technology and other 5 stocks daily limit

A-share opening, Tencent's self-selected stock data showed that the Shanghai Composite Index reported 2790.08 points (-0.14%), Shenzhen Securities Index reported 9340.66 points (+0.13%), and the blockchain sector opened up 0.41%. Of the 132 concept stocks, 75 rose, 37 fell, and 20 were flat. Among them, Shenzhen Technology, Wintime Win, Yinzhijie, Zhuoyi Technology and Zhongqingbao 5 daily limit.