Krung Thai Bank is trading at THB 41.00, down 5.2%, amid a broad Thai banking-sector selloff. - On September 30, all 10 Thai bank stocks fell; Krung Thai Bank was among the steepest decliners. - Brokers cited consecutive foreign-investor outflows, rising U.S. bond yields, domestic flooding concerns and weak Q3 earnings expectations as pressures on Thai stocks and investor sentiment. - No clear company-specific announcement explaining the decline was identified; available coverage did not establish a separate KTB-only cause.