Seoul, 18 June 2026 – South Korea’s benchmark KOSPI index crossed the 9,000-point level for the first time, extending one of the most powerful equity-market rallies in Asia as investors continued to pour into semiconductor stocks linked to the global artificial-intelligence boom.

The milestone marks another historic moment for South Korea’s stock market, which has been transformed by surging demand for memory chips, high-bandwidth memory and advanced components used in AI servers and data centres. The rally has turned the KOSPI into one of the clearest listed-market expressions of the global AI infrastructure cycle.

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Author

Kenji Yamamoto
Kenji Yamamoto is a Senior Fellow at The Ledger Asia, where he explores the critical nexus of Asian international relations, economic development, and environmental sustainability. With extensive experience in cross-border policy analysis, Kenji provides a unique perspective on how diplomatic alliances and green energy transitions drive long-term growth across the Asia-Pacific.
Previously an advisor for regional development banks, he specializes in sustainable infrastructure and the circular economy’s role in modernizing emerging markets. At The Ledger Asia, Kenji’s deep-dive reports help readers navigate the complex balance between rapid industrialization and the global imperative for climate resilience and corporate responsibility.