Blackout in Asia! Why Asian Market Crashed Today? Trading On KOSPI Halted After 9% Drop; Nikkei 225 Falls 4%

Asian markets opened on a volatile footing on June 8, 2026, with South Korea’s KOSPI index plunging nearly 9% and triggering a 20-minute trading halt due to a circuit breaker. The selloff was the worst single-day drop for the region since March 2020, with Japan’s Nikkei 225 falling 4%, Taiwan’s TAIEX down 3.6%, and Hong Kong’s Hang Seng losing 1.3%. Tech and semiconductor stocks bore the brunt, with Samsung Electronics and SK Hynix dropping 5% and 2%, respectively, while TSMC and Foxconn fell 2.1% and 5.1%. The downturn followed renewed missile exchanges between Iran and Israel, which derailed ceasefire hopes and heightened global energy concerns. Meanwhile, stronger-than-expected US job data—172,000 new jobs in May and a 4.3% unemployment rate—reinforced expectations of prolonged Federal Reserve rate hikes, further pressuring markets. Semiconductor stocks across Asia were hit hardest, mirroring losses in US tech giants like Nvidia and Micron, which had plunged 6.2% and 13.3% the prior week. The Nasdaq’s 4.2% drop on June 5, its worst since April 2025, had already rattled investors, with fears that AI-driven growth may be slowing. Geopolitical tensions and economic uncertainty also weighed on broader indices, including China’s SSE Composite (-1.3%) and Australia’s ASX/200 (-1%). US stock futures opened lower, extending the bearish trend into early trading. The selloff reflects a combination of regional and global pressures, including geopolitical risks, Fed policy expectations, and tech sector volatility.