KOSPI Plunges 5.5% on Black Friday, Sidecar Triggered as Broadcom Outlook Drags Asian Tech Stocks
Asian stock markets faced a sharp sell-off on June 5, 2026. South Korea’s KOSPI plunged 5.54%, triggering a sell-side sidecar, while Nikkei and Hang Seng fell on a technology rout sparked by Broadcom’s disappointing AI revenue guidance.