South Korea's KOSPI closed Friday up 18%, its largest single-day gain on record,
reversing a three-day decline. LSEG data show five of the index's ten biggest
single-day rallies have occurred since March, and three of the four largest
single-day drops in the past decade occurred in the last five weeks. KB
Financial strategist Peter S. Kim said market 'gamification' is producing sharp
moves driven more by news and momentum than fundamentals, posing a significant
challenge for policymakers. BNP Paribas analyst William Bratton said volatility
is likely to remain elevated and Korea is central to debates over the
sustainability of an AI-driven tech supercycle.
