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.

“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.