KOSPI Plunges 5.5% in Black Friday Rout as Broadcom Shock Hits Korea
KOSPI Plunges 5.5% in Black Friday Rout as Broadcom Shock Hits Korea 2026-06-06 | By DailyPro2025 Analysis Team Table of Contents The Broadcom Earthquake: An Earnings Miss That Rattled Seoul Semiconductor Bloodbath: Samsung and SK Hynix Lead Losses Foreign Exodus: 20 Days of Selling and 70 Trillion Won Gone Securities Firms Reinvent: Branches Shrink, Global Ambitions Grow KOSDAQ's 1,000 Level: A Line in the Sand AI Supercycle: Has It Peaked or Is This a Pause? My Take The KOSPI index suffered its worst single-day collapse since the pandemic era on Friday, June 5, plunging 478.82 points — a brutal 5.54% decline — to close at 8,160.59. The KOSDAQ index fell 47.29 points (4.50%) to 1,002.44, briefly dipping below the psychologically critical 1,000 level intraday for the first time since January, when it originally breached that threshold. Samsung Electronics tumbled 6.40% to 329,000 won ($213.70), while SK Hynix lost 8.53%, sliding to 2.07 million won ($1,345). Forei...