After one of its most volatile weeks in years, South Korea's stock market is approaching a milestone it has long been chasing: a potential path into MSCI Inc's developed-market status.
The Kospi has become the world's best-performing major equity benchmark this year, surging more than 90% as investors piled into artificial-intelligence winners. Yet the rally has also turned Korea into one of the world's most volatile stock markets. The benchmark has repeatedly triggered exchange safeguards in recent days, while swings have surged to levels rarely seen among major global indexes.
