A-share grain concept stocks were active at the start of trading, with Wanxiang Denong hitting its fifth consecutive daily limit, Xinsai Shares hitting its third consecutive daily limit, Dunhuang Seed Industry and Heizhima hitting their second consecutive daily limit, Guangyu Group hitting its daily limit, and Qiule Seed Industry, Kangnong Seed Industry, Xinhua Department Store, Shennong Seed Industry, Jinjian Rice Industry and other stocks following suit.