# South Korea's KOSPI index reached an all-time high, surpassing its previous peak, driven by a surge in chipmakers.

*semiconductor · news · 2026-04-21 · The Economic Times*

## Key points

- South Korea's KOSPI index reached a new all-time high, surpassing its February 27 record.
- Semiconductor exports from South Korea surged 182.5% year-over-year for the first 20 days of this month.
- SK Hynix's market cap exceeded $564.59 billion, overtaking Johnson & Johnson and nearing ASML.
- Samsung SDI's shares soared 15.6% after announcing a deal with Mercedes-Benz.
- Foreign investors were net buyers of 654 billion won ($444.26 million) in South Korean equities.

**Companies:** Samsung Electronics, SK Hynix, ASML, Samsung SDI, LG Energy Solution, LG Chem, POSCO Holdings
**Countries:** South Korea

[Read the full story on The Economic Times](https://economictimes.indiatimes.com/markets/us-stocks/news/global-markets-south-koreas-kospi-rises-to-record-high-as-chipmakers-surge-on-export-boom/articleshow/130411024.cms)

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