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The Guardian - AU
The Guardian - AU
World
Mark Saunokonoko

Chip, chip ... boom? South Korea tech makers join the trillion-dollar club but some fear a short-circuit looms

people cheering at the south korean stock market
South Korea's Kospi stock market jumps past 8,000-point milestone on 26 May 2026. The rise is due to a ‘once-in-a-generation surge’ in chips, for AI use, and semiconductor earnings. Photograph: YONHAP/EPA

South Korea has leapfrogged India to become the world’s sixth largest share market, leaving equity markets in the UK, Germany and France trailing in its dust. But despite the runaway success, some are raising concerns that the Kospi index is too dependent on two freshly minted trillion-dollar chipmaking companies.

Chip company SK Hynix last week claimed a seat in Asia’s trillion-dollar company club, alongside South Korean compatriot Samsung Electronics and Taiwan’s TSMC. Explosive demand for chips used in AI has propelled the trio past the valuation threshold.

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