South Korean stocks trigger circuit breakers as Samsung and SK Hynix plunge over 7%

On November 5, after Democrats swept the US midterm elections, concerns over tighter AI data center approvals triggered sell-side circuit breakers in both KOSPI and KOSDAQ. KOSPI fell 5.50% to 5371.41 and KOSDAQ dropped 5.11% to 678.4, while Samsung Electronics and SK Hynix slid 7.8% and 9.81% respectively, with semiconductor and power equipment sectors under broad pressure.