Asia Markets May 19, 2026: KOSPI Drops 3.25% Before Nvidia Earnings, Singapore STI Breaks Above 5,000
Asian markets split on May 19, 2026: KOSPI plunged 3.25% to 7,271 — down 8.9% from its May 14 peak — as semiconductor stocks sold off ahead of Nvidia earnings (May 20). Singapore’s STI broke above 5,000 for the first time (+1.51%), ASX 200 gained 1.17%, Shanghai rose 0.92%. Full analysis.