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SK Hynix Surpasses Samsung to Become South Korea's Most Valuable Company

SK Hynix has overtaken Samsung to become South Korea's most valuable company with a market cap of $1.36 trillion, driven by a rally in memory chips.

June 22, 2026
2 min read
Source: Yahoo Finance Video
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Key Numbers

market cap
$1.36 trillion

Shares of SK Hynix (000660.KS) have surged to record highs, making it South Korea's most valuable company with a market capitalization of $1.36 trillion. The gains come amid a strong rally in the memory chip sector, according to Yahoo Finance Tech Editor Dan Howley.

Details

SK Hynix, the world's second-largest memory chipmaker, has seen its market value soar past rival Samsung. The outperformance is attributed to rising demand for high-performance memory chips used in AI applications and data centers.

Context

The memory chip industry is experiencing a global recovery after a period of downturn, fueled by massive investments in AI infrastructure. SK Hynix has particularly benefited as a key supplier of High Bandwidth Memory (HBM) chips used in AI accelerators.

What This Means for Investors

SK Hynix's rise to the top of South Korean companies underscores the strength of the country's semiconductor sector. However, investors should monitor demand trends for memory chips and the cyclical nature of the industry.

Frequently Asked Questions

SK Hynix's market cap reached $1.36 trillion, making it the most valuable company in South Korea.

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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.