KOSPI at 8,228: Samsung & SK Hynix $1 Trillion Chip Duopoly
KOSPI Hits 8,228 All-Time High as Samsung, SK Hynix Surge: The $1 Trillion Chip Boom and Leveraged ETF Frenzy Seoul, May 27, 2026 — South Korea's benchmark KOSPI index shattered its all-time record on May 27, surging to 8,228.16 as semiconductor giants Samsung Electronics and SK Hynix led an explosive rally that sent shockwaves through global equity markets. Samsung Electronics closed at 307,000 won ($210), its highest level since July 2024 and a new record, pushing its market capitalization to approximately 550 trillion won ($376 billion) — nearly 20% of the KOSPI's total market cap of 2,700 trillion won. SK Hynix soared 9.3% to 2,243,000 won, propelling its market capitalization past $1.07 trillion and making it the first global semiconductor company to officially join the trillion-dollar club.