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MICRON. A Micron logo appears in this illustration taken August 25, 2025.

Dado Ruvic/Reuters

Micron has said its entire 2026 high-bandwidth memory (HBM) chip supply is already sold out, a sign of how far demand is outstripping capacity

Micron Technology briefly topped $1 trillion in market value for the first time on Tuesday, May 26, crowning a dizzying rally that has cemented the US’s largest memory chipmaker as one of the standout winners of the AI boom.