EWY is trading 3.5% down as U.S.-session repricing, rather than a fresh Korean equity selloff, drives the decline. - South Korea’s KOSPI gained 1.21% on September 23, 2026. - Rising oil prices, a 4.99% Treasury yield, and weaker U.S. stocks are pressuring risk assets. - EWY’s heavy concentration in Samsung Electronics and SK hynix increases sensitivity to semiconductor and global-growth sentiment.