KOSPI Plunges on Fed Rate Hike Fears
Analysis based on 10 articles · First reported Jun 08, 2026 · Last updated Jun 08, 2026
The KOSPI's significant plunge, driven by fears of a United States — Federal Reserve rate hike, directly impacts investors in South Korea and global tech markets. The selloff in major chipmakers like Samsung Electronics and SK Hynix, which account for over half of the KOSPI, signals a broader correction in the semiconductor industry, potentially affecting supply chains and technology sector valuations worldwide. The volatility in the South Korea — South Korean won also indicates broader economic instability in South Korea.
South Korea's KOSPI stock benchmark plunged over 8% on Monday, triggering circuit breakers, following robust U.S. jobs data that increased expectations of a United States — Federal Reserve rate hike. This led to a significant selloff in the tech-heavy market, particularly impacting chip heavyweights Samsung Electronics and SK Hynix, which dropped more than 10% and 7% respectively. The market's decline mirrored a torrid session on Wall Street, where the Nasdaq-100 and Philadelphia Semiconductor Index also saw substantial losses. Despite the market rout, the South Korea — South Korean won rallied after authorities intervened to curb its losses. President Lee Jae Myung commented that the market was 'still undervalued' and described the exchange rate as temporary. Naver was a rare outlier, rising on a deal with Nvidia, while Hyundai Motor Company dropped despite its own agreement with Nvidia. Foreign investors were net sellers for the 21st consecutive session.
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