Krung Thai Bank is trading 4.05% down at THB 41.50 in the supplied live price context for September 30, 2026; no clear catalyst has been established. - No company-specific announcement directly explaining the move surfaced in the search. - Thai shares weakened in the September 29 session: the SET fell 0.50% and the SET50 fell 0.86%, offering a possible backdrop, not a confirmed cause.