A-share opening: blockchain sector fell 0.52%, Aikang Technology daily limit

A-share opening, Tencent's self-selected stock data showed that the Shanghai Composite Index reported 3,240.39 points (-0.14%), Shenzhen Securities Index reported 10368.03 points (+0.16%), blockchain sector reported 3088.50 points, down 0.52%, 108 concept stocks Among them, 23 were up, 71 were down, 14 were flat, and Aikang Technology was up.