Dongfang Electric is trading at HK$15.53, down 4.02%, amid a weaker Hong Kong market; no clear company-specific announcement was identified for October 22, 2026. - RTHK reported the Hang Seng opened 0.58% lower, with losses expanding as AI-related concerns and Gulf uncertainty weighed on sentiment. - The broader risk-off backdrop is the likeliest context, but available reporting does not directly attribute the share decline to it.