KOSPI Plunges 9.99% to 8,203, Erasing 910 Points From Record High

3 articles · Updated · Seeking Alpha · Jun 24

8,203 was the KOSPI’s closing level after South Korea’s benchmark tumbled 9.99% in a historic session, wiping out 910 points from Monday’s record 9,114 finish.
That drop extended a violent swing already gripping the market, with the index repeatedly moving 5% or more this year and Tuesday’s fall matching the roughly 10% slide flagged in earlier reports.
Retail trading has been a key driver of the turbulence, helping turn the KOSPI into one of the world’s most volatile major benchmarks in 2026.
The selloff also fits a broader global tech retreat tied to worries over AI spending, debt loads and possible interest-rate increases, pressures that have also hit U.S. and Japanese equities.

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Left73%

Center18%

Right9%

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China’s oil reserves have stabilized markets, but what happens if the Strait of Hormuz remains closed when those stockpiles dwindle?

Beyond the interim deal, will the permanent risk of conflict in the Strait of Hormuz fundamentally reshape global trade routes?

With a fragile peace deal in place, can global supply chains survive the continued closure of the world's most critical waterway?

June 2026 Market Volatility: How the US-Iran Peace Deal and AI Boom Are Reshaping Asia

Overview

In June 2026, Asian markets saw sharp volatility as investors responded to a major peace deal in the Middle East and a strong rally in artificial intelligence (AI) stocks. Initially, fears of a wider conflict and possible supply disruptions through the Strait of Hormuz led to negative sentiment and market swings. However, the announcement of the peace deal quickly shifted the outlook, easing concerns and causing oil prices to drop. At the same time, the ongoing surge in AI-related stocks provided strong support for indexes like the Nikkei and KOSPI, highlighting how both geopolitical events and technological trends shaped market movements.

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