Key facts
- The KOSPI opened at 5,263.26, down 120.54 points or 2.24% from the prior level, Yonhap reported.
- The S&P 500 fell 4.36% and the Nasdaq dropped 5.52% in the overnight US session, Yonhap reported.
- Nikkei Asia reported the Nikkei average fell 7% and the KOSPI was off 9% on the morning of November 6, 2026.
- Yonhap reported investors feared a Democratic sweep in Congress could slow data center investment.
- Iranian forces said at least five tankers were damaged in the Strait of Hormuz, and oil prices rose, Yonhap reported.
South Korea's benchmark KOSPI opened down 120.54 points, or 2.24%, at 5,263.26 on November 6, 2026, Yonhap News Agency reported, tracking an overnight decline in US stocks.
The S&P 500 fell 4.36% and the tech-heavy Nasdaq dropped 5.52% in the overnight US session, Yonhap reported, as midterm election results weighed on US stocks. Yonhap reported that investors feared a Democratic sweep in Congress could decelerate the data center build-out, which has faced widespread public opposition.
Nikkei Asia reported that Japanese and South Korean stocks fell sharply on the morning of November 6, 2026, following the Wall Street tech sell-off, with the Nikkei average down 7% and the KOSPI off 9%. The outlet said investors were concerned about possible delays in data center construction after a sweeping Democratic victory in the US midterm elections, and that data center construction has become a hot-button topic in the US and beyond.
Yonhap also reported that oil prices rose after Iranian forces said at least five tankers had been damaged in the Strait of Hormuz.