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SK Hynix Overtakes Samsung as South Korea's Most Valuable Company

SK Hynix briefly overtook Samsung Electronics in market capitalization to become South Korea's most valuable company. Shares of the memory chipmaker rose 5.7%, bringing its market cap to 2,082.5 trillion won ($1.35 trillion), compared to Samsung's 2,081.3 trillion won.

June 22, 2026
2 min read
Source: Reuters
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Key Numbers

sk hynix market cap won
2,082.5 trillion
sk hynix market cap usd
1.35 trillion
sk hynix stock change
+5.7%
samsung market cap won
2,081.3 trillion
samsung stock change
+0.4%

The market value of South Korean chipmaker SK Hynix briefly topped that of peer Samsung Electronics on Monday, making it the country's most valuable firm.

Shares of SK Hynix, now the world's most valuable memory chipmaker, traded up 5.7% to bring the company's market capitalization to 2,082.5 trillion won ($1.35 trillion) as of 0347 GMT, compared with gains of 0.4% in Samsung Electronics to 2,081.3 trillion won, excluding preferred shares. Samsung Electronics had held the top spot since 2000.

Possible Reasons

  • Leadership in high-performance memory: SK Hynix has benefited from strong demand for high-bandwidth memory (HBM) chips used in AI applications, boosting its stock.
  • Stronger financial performance: Recent quarterly results have shown SK Hynix outperforming Samsung in some metrics.
  • Optimistic outlook: Analysts expect continued growth for SK Hynix due to its focus on advanced memory products.

Context

Samsung Electronics had been the most valuable company in South Korea since 2000. This shift comes as Samsung faces challenges in its semiconductor business, while SK Hynix capitalizes on AI-driven demand for memory chips.

Similar Moves in the Sector

The memory chip sector has seen significant volatility, with companies like Micron Technology (MU) also rising on AI demand. However, this market cap overtaking within South Korea is a notable event.

Frequently Asked Questions

SK Hynix's market cap reached 2,082.5 trillion won ($1.35 trillion) after its stock rose 5.7%.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.