Live China retaliated with 34% tariffs on US goods, while Trump vows his policies will 'never change.' Thailand - Delayed Quote • THB SET_SET Index (^SET.BK) Follow 1,125.21 -36.60 (-3.15%) At close: 4:56:30 PM GMT+7 All News Global markets plunge as 'Black Monday' hits Japan The global rout in stock markets has deepened as the FTSE 100 suffered its worst drop in more than a year.