Kospi opens lower as Wall Street tech losses outweigh US-Iran peace optimism

South Korean equities extended their weekly decline, with overnight US tech weakness dragging the benchmark index lower despite tentative diplomatic progress.

By Handelsavisen Newsroom · Automated 2026-06-23 00:08 UTC · 1 min read

South Korea’s benchmark Kospi index opened lower on Tuesday, extending the risk-off sentiment that has weighed on Asian markets throughout the week.

The decline was driven primarily by overnight losses on Wall Street, where a broad sell-off in US technology stocks overshadowed positive market reactions to reported progress in peace talks between the United States and Iran.

08% drop on Monday, marking a second consecutive session of weakness.

The Kospi’s slide follows a 1.08% drop on Monday, marking a second consecutive session of weakness.

Investors appear to be prioritizing the immediate pressure from US equity markets over the potential long-term benefits of de-escalation in the Middle East.

The divergence highlights how deeply integrated Korean market sentiment has become with US tech performance, even as geopolitical risks remain a background concern.

While the US-Iran diplomatic developments offer a potential catalyst for risk-on sentiment, traders are currently focused on the technical damage inflicted by the US tech sector’s retreat.