William Bratton, head of cash equities research at BNP Paribas SA, said volatility in South Korea’s stock market highlights a disconnect between tech stock moves and earnings prospects. Year-to-date the KOSPI has accounted for 79% of single-day moves exceeding 5% among major Asian indices; the selling appears driven mainly by anxiety over the durability of AI-related spending. He expects market volatility to remain elevated.

2026-07-29

William Bratton, head of cash equities research at BNP Paribas SA, said volatility in South Korea’s stock market highlights a disconnect between tech stock moves and earnings prospects. Year-to-date the KOSPI has accounted for 79% of single-day moves exceeding 5% among major Asian indices; the selling appears driven mainly by anxiety over the durability of AI-related spending. He expects market volatility to remain elevated.