The Kospi fell over 4% just minutes ago as market reacts to the news that N.Korea has carried out a nuclear test this morning. USDKRW also spiked to 1269.4 but has sinced settled back a little to 1262.4. The Kospi tarded as low as 1315 before rebounding back to 1350.
USD against the majors also had a knee-jerk effect with the EURUSD trading as low as 1.3974 and GBPUSD down to 1.5850.