South Korea's KOSPI Jumps 2.43% as U.S. Chip Gains Boost Sentiment

Key Facts

The South Korean KOSPI index rose 2.43% in early trading on November 4, 2026, driven by strong performance in U.S. semiconductor stocks. Bloomingbit reported that the surge followed a recovery in U.S. chipmaking shares, which helped the benchmark index reverse some of its heavy losses from the previous session.

Large-cap semiconductor stocks led the gains in Seoul after the Philadelphia Semiconductor Index jumped 2.63% overnight. While individual investors were net buyers, market caution persisted alongside the U.S. Midterm Elections held on November 3, 2026, a period that also saw robust economic data including a 1.8% rise in U.S. factory orders.