Learn how leveraged AI bets in South Korea's Kospi index are whipsawing the Nasdaq and dictating the global semiconductor and tech trade.

“We are all Korean investors now,” said Hani Redha, a London-based portfolio manager at PineBridge Investments.

Korea's $4 trillion market now gives London and New York an early read on AI risk appetite. The Kospi-Nasdaq correlation has nearly tripled its five-year average.