Micron hits $1 trillion valuation as Nvidia's AI memory bet pays off

Micron Technology crossed the $1 trillion market capitalization mark Tuesday, completing a tenfold stock surge in one year driven by the chipmaker's pivot to high-bandwidth memory chips for artificial intelligence, the Korea Times reported.

The milestone reshapes the global memory chip industry, which analysts project will reach $100 billion in high-bandwidth memory sales by 2028 — a shift of growing interest to Korean-American tech workers and investors in Orange County who closely follow semiconductor supply chains.

The rise traces back roughly three years, when Nvidia CEO Jensen Huang met with Micron leadership and aligned development roadmaps around high-bandwidth memory. "I was really grateful that Micron and Nvidia really lined up all of our road map," Huang said in a media interview last month, according to the Korea Times. Huang had identified memory as a looming bottleneck for AI systems and pushed Micron to help solve it.

For most of its history, Micron competed on price in a market defined by boom-and-bust cycles, and the company was known for its reluctance to commit capital without firm customer demand. That calculus changed as AI developers signaled they needed not interchangeable commodity chips but memory co-designed for specific processors.

The financial turnaround has been swift. Micron posted a $14 billion profit in its latest quarter, compared with a $5.8 billion loss in 2023, according to the Korea Times. Its market valuation stood near $100 billion one year ago before climbing tenfold.

In March 2026, Micron signed its first five-year supply agreement — a landmark departure from an industry historically shaped by short-term pricing contracts. The company's HBM chips are set to appear in Nvidia's forthcoming Vera Rubin platform. Ben Bajarin, an analyst at Creative Strategies, attributed the investment shift to guaranteed demand. "They are seeing long-term customer demand, with real commitment. That is the key driver getting them to spend money," Bajarin said, according to the Korea Times.

As the only major U.S.-based memory supplier in a three-firm global market alongside Samsung Electronics and SK Hynix, Micron has gained a secondary advantage as AI customers seek to diversify supply chains away from Korean manufacturers. SK Hynix crossed the $1 trillion milestone a day after Micron, the Korea Times reported.

Dan Hutcheson, vice chair at TechInsights, warned the company's underdog instincts cannot be abandoned. "In the early days, nobody gave Micron a chance. They've always had that back-against-the-wall attitude. If they lose that, like Intel lost it, they'll die," Hutcheson said, according to the Korea Times.