Millions of South Korean retail investors were caught in this week's tech sell-off after piling into AI chip demand-driven markets. Read on

(Bloomberg) -- Asian equities declined as renewed concerns over artificial-intelligence spending fueled another selloff in chipmakers.

HONG KONG - The Kospi in South Korea plunged 10% as tech shares took a battering on another black day for Asian stock markets, with a report of a breakthrough in China’s chip…