South Korea's tech-heavy Kospi index falls 10%, dragged down by SK Hynix and Samsung; STMicro, ASML, and others fall ~7%, and US tech and chip stocks drop
Global stocks sold off on Tuesday, led by deep losses for tech stocks following a losing session for the sector on Wall Street.
SK Hynix overtakes Samsung to become South Korea's most valuable company, closing up 5.6% for a ~$1.4T market cap; South Korea's Kospi index is up 117% YTD
The South Korean memory-chip maker's market capitalization hit $1.362 trillion — Memory-chip maker SK Hynix has overtaken Samsung Electronics …
South Korea's Kospi stock index breaks through the record 5,000 level, driven by chip stocks, led by Samsung, up ~3x, and SK Hynix, up ~4x, in the past year
Kospi is up almost 20% in 2026 as reforms to woo investors spur market — South Korea's Kospi benchmark has broken through …
Samsung, up 125%, and SK Hynix, up 268%, accounted for nearly half of the 76% gain in South Korea's Kospi, the world's best-performing major stock index in 2025
South Korea's stock market renaissance in 2025 was one for the history books. Buoyed by world-beating gains in arms exporters …