SK Hynix, Samsung stocks crash again: is Korea's AI boom becoming volatility machine?

Samsung Electronics and SK Hynix fell sharply on Thursday, reversing Wednesday's rebound and reinforcing concerns that South Korea's artificial-intelligence trade is becoming a volatility machine. SK Hynix plunged 6.95%, Samsung Electronics fell 2.44% and the Kospi lost 3.64%, sharply reversing Wednesday's gains of about 6%, 3% and 4%.