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South Korea’s Kospi Plummets 5% Amid AI Stock Sell-off, Oil Prices Surge

South Korea's Kospi index drops nearly 5% as investors offload AI-linked stocks, while global oil prices continue to rise. Get the latest financial updates.

Editorial Desk

July 20, 2026 One Min Read

POLICY WIRE — Seoul, South Korea — South Korea’s benchmark Kospi index experienced a significant decline, dropping nearly 5% on Tuesday. This downturn is largely attributed to investor concerns over the valuation of artificial intelligence (AI)-related stocks.

The sell-off in AI stocks has contributed to the broader market decline, with tech companies bearing the brunt of the losses. Market analysts point to recent volatility in the tech sector as a primary driver of investor caution.

Meanwhile, global oil prices continued their upward trajectory, further complicating the market landscape. Brent crude surpassed $80 per barrel, influenced by ongoing geopolitical tensions — and supply constraints.

Elsewhere in Asia, stock markets showed mixed performance. Japan’s Nikkei 225 remained relatively stable, while China’s Shanghai Composite Index saw modest gains.

Investors are closely monitoring the situation, with many awaiting further clarity on the direction of both tech stocks and energy prices. The contrasting performance between AI stocks — and oil prices underscores the current uncertainties in global markets.

Reporting by Policy-Wire (PW)

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Editorial Desk

Policy Wire is your go-to editorial hub for insightful perspectives and informed analysis on pressing policy issues, both regionally and globally. Over the years, Policy Wire has collaborated with leading international news agencies—including AFP, AP, Reuters, and others—to provide fact-based reporting and nuanced commentary. With a commitment to clarity and credibility, we aim to bridge the gap between complex policy debates and public understanding, ensuring that our readers stay informed on the issues shaping the world today.