South Korea Triggers Trading Halt as Semiconductor Selloff Hits KOSPI

Key Facts

A trading halt was triggered on South Korea's main bourse, the KOSPI, following a sharp selloff in semiconductor stocks. FourWeekMBA reported that the mechanism was activated due to significant volatility caused by a massive decline in South Korean chipmakers on November 5, 2026.

SK hynix shares closed down 9.5% while Samsung fell 7.6% on November 5, 2026, resulting in a combined market value loss of approximately $144 billion for the two giants. This downturn aligned with broader regional tech weakness, as Taiwan's TAIEX closed down 3.20% and Japan's Nikkei 225 fell 1.79% on the same day.

South Korea is scheduled to release its Unemployment Rate data on November 10, 2026, with forecasts expecting a rate of 2.8% compared to the previous 2.6%.