Seoul shares spike over 4.6 pct on renewed AI optimism

Yonhap News Agency
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South Korean stocks jumped over 4.6% on Sept. 7, 2026, driven by investor enthusiasm following OpenAI's launch of the GPT-6 Astra model, which is expected to increase demand for memory chips. The KOSPI index gained 308.18 points, continuing a three-day rally amid optimism about advancing artificial general intelligence.

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