On March 19, 2026, the three major indices of A-shares opened lower collectively. The Shanghai Composite Index dropped 0.85%, the Shenzhen Component Index declined by 1.3%, and the ChiNext Index fell by 1.04%. The memory and precious metals sectors underperformed, with Hengshuo Shares (a specific Chinese stock name, retained as is for precision) plunging over 8%. Demingli and Zijin Mining both tumbled more than 4%, while GigaDevice saw a decline exceeding 3%. Conversely, oil, gas, and coal stocks strengthened, with Heshun Petroleum surging over 9%. Intercontinental Oil & Gas and Shaanxi Black Cat also rose sharply, each gaining more than 6%.
