Key Points
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SK Hynix and Micron have entered the trillion-dollar club, with market caps of $1.1 trillion and $1 trillion, respectively.
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The artificial intelligence (AI) memory chip sector is growing rapidly, driven by investments in data center infrastructure from tech giants.
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Roundhill Memory ETF (DRAM) provides investors a low-cost entry point to the AI memory market.
As of May 27, 2026, both SK Hynix and Micron Technology reached market valuations exceeding $1 trillion. This surge reflects the increasing significance of memory chips in AI infrastructure, with memory producers gaining substantial pricing power due to supply constraints.
In 2026, SK Hynix shares have experienced a 230% increase while Micron’s shares surged 226% year-to-date, positioning them as leading performers in the Nasdaq-100 index. The Roundhill Memory ETF, launched in April, offers investors diversified exposure to key players in this market, including Micron, SK Hynix, and Samsung.
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