Jim Cramer Calls Tight US-Korea Market Link an ‘Under-Rated Reason’ for Tech Stock Slump as KOSPI Tumbles

How Wall Street tech and South Korean stock market are becoming increasingly intertwined

SK Hynix and Samsung hit 0.50 correlation with Nasdaq as AI capex binds Korean memory to U.S. hyperscaler demand. The link lets managers track global AI hardware sentiment overnight before Wall Street opens, but erodes diversification and amplifies capex risk.