A-share coal sector rallied in the afternoon; Dayou Energy hit the daily limit, while Yunmei Energy, Zhengzhou Coal & Power, Shaanxi Black Cat, Jinkong Coal Industry and Xinjie Energy also advanced.

China published draft revisions to its corporate overseas antitrust compliance guidelines for public comment, aimed at helping firms track foreign enforcement trends. The draft consolidates recent overseas antitrust legislative and enforcement changes and embeds foreign enforcers' digital‑economy focus into sections on cartels, abuse of dominance and merger control; it clarifies recent merger filing thresholds in jurisdictions including the EU, US and Germany, flags foreign investment security reviews and foreign subsidy review regimes as material risks, and—responding to rising cross‑border antitrust litigation—adds coverage of major jurisdictions' rules on private civil suits alongside administrative fines and criminal liability.

Houthi-controlled Masirah TV said on Sept 22 that Saudi warplanes struck the port city of Mocha in Taiz province three times, causing multiple casualties, "including women and children." Saudi authorities had no immediate comment.