36Kr learned that the three major indices of A-shares opened higher collectively, with the Shanghai Composite Index opening up 0.33%, the Shenzhen Component Index up 0.28%, and the ChiNext Index up 0.19%; the dairy industry and the three-child policy concept led the gains, with NHD, JFLB, and Aiyingshi hitting the daily limit, and Kidswant rising nearly 7%; the non-ferrous metals and textile and apparel concepts weakened, with Tengyuan Cobalt falling over 4% and Pengxin Resources dropping over 3%