SK Hynix Stock Surges 30% on Korea’s KOSPI. Why That’s a Worry. - Barron's

By Adam Clark | Published: Jul 31, 2026

SK Hynixstock surged in South Korea on Friday alongside the KOSPI index as traders flooded back into artificial-intelligence stocks. The strength didnt carry over into the U.S. Copyright ©2026Dow Jo… [+76 chars]