On May 21, the Hang Seng Index commenced trading with a 0.71% uptick, while the Hang Seng Tech Index also advanced, rising by 1.04%. Leading the charge were the semiconductor and non-ferrous metal sectors, with notable performers such as SMIC and Lingbao Gold surging over 3%. Conversely, the oil, petrochemical, and coal sectors experienced significant downturns, with Shandong Molong witnessing a decline exceeding 5% and Yankuang Energy also dropping by more than 1%.