Micron Hits $1 Trillion: The AI Memory Surge

May 28, 2026 – A record-breaking UBS upgrade and a sold-out HBM supply chain pushed Micron’s stock up 19.29% on May 26. For the first time, its market cap crossed $1 trillion.

Micron Technology crossed a historic threshold on Tuesday, May 26, 2026. The US memory chipmaker’s stock surged nearly 20%. Its market capitalization topped $1 trillion for the very first time. Shares closed up 19.29% on the Nasdaq, placing Micron among the world’s most valuable technology companies. The stock has now risen more than 213% year-to-date. That makes it one of the best-performing large-cap stocks of 2026.

The UBS Catalyst

The rally started with a single analyst note. UBS analyst Timothy Arcuri raised his price target on Micron from $535 to $1,625 per share. This was a 204% increase. It also set the new Street-high target among all 46 Wall Street analysts covering the stock. Arcuri maintained a Buy rating. Furthermore, the new target implies over 90% additional upside from current levels.

His thesis goes beyond a numbers upgrade. Arcuri argued that AI has permanently changed how the memory chip market operates. He contended that Micron deserves valuation multiples comparable to Nvidia. Additionally, UBS projects Micron’s annual earnings per share to surpass $100 in the coming years. These are not incremental revisions. They represent a complete rethinking of Micron’s worth.

“We believe no reason why MU should trade a whole lot differently than NVDA in terms of P/E.” Arcuri’s note, which argues that Micron is essential to AI infrastructure, not a cyclical commodity.

HBM: The Bottleneck That Became Leverage

At the heart of this shift is High Bandwidth Memory (HBM). HBM chips sit directly on AI processors. They deliver data at extreme speeds required for AI training and inference. Without HBM, modern AI data centers cannot operate at full capacity. Micron is one of only three companies worldwide that can produce HBM at scale. The other two are South Korea’s SK Hynix and Samsung. However, Micron holds a critical advantage. It is the only US-based HBM manufacturer.

CEO Sanjay Mehrotra confirmed that Micron fulfills only 50 to 65% of key customers’ medium-term HBM demand. Moreover, its entire 2026 HBM4 production capacity is already sold out. This creates significant pricing power. UBS models a 50% year-over-year increase in the average selling price of HBMs for 2026. Additionally, Mizuho analyst Vijay Rakesh stated there is no clear timeline for when the supply-demand imbalance will end.

Record-Breaking Financials

Micron’s recent earnings confirm the strength of this narrative. In fiscal Q2 2026 (ended February 2026), revenue reached a record $23.86 billion. This marked a 196% year-over-year increase from $8.05 billion in Q2 FY25. Additionally, GAAP net income hit $13.79 billion, or $12.07 per diluted share. Operating cash flow came in at $11.90 billion, compared to $3.94 billion a year earlier.

CEO Mehrotra stated that Micron set new records across revenue, gross margin, EPS, and free cash flow. Furthermore, the board approved a 30% increase in the quarterly dividend. This signals strong confidence in sustained business growth. Capital spending for fiscal 2026 is projected to be above $25 billion. This supports new fabrication facilities in Idaho and New York.

Market Cap: The Climb to $1 Trillion

Micron’s market capitalization climbed rapidly throughout 2026. The stock gained momentum with each quarterly earnings beat. Moreover, growing investor conviction around AI infrastructure spending accelerated the rise. The chart below shows Micron’s approximate market cap trajectory from January through May 26, 2026.

The Road Ahead

The long-term outlook remains compelling. UBS projects a cumulative free cash flow of $400 billion between 2027 and 2029. This forecast is rooted in long-term supply agreements. Major customers are locking in multi-year contracts instead of buying on spot markets. Therefore, Micron’s revenue becomes more predictable. Furthermore, its margins continue to improve. HBM bit shipments are expected to reach 12.05 billion gigabits in 2027, up from 7.78 billion gigabits in 2026.

Broader market trends also support this thesis. Hyperscalers like Amazon, Microsoft, and Google are building AI data centers at a record pace. Each new AI cluster requires enormous quantities of HBM. Additionally, agentic AI workloads require far more memory per server than traditional computing. Consequently, Micron sits directly at the center of this demand surge. Demand continues to grow faster than available supply.

The broader semiconductor sector also responded positively on Tuesday. However, Micron’s gains outpaced its peers significantly. Investors are rotating away from GPU-focused AI narratives toward memory and compute infrastructure. Furthermore, up to 30% of DDR volumes industry-wide are expected to lock into long-term pricing agreements. This benefits all HBM producers. However, Micron, as the sole US-based producer, is positioned to capture a disproportionate share of those gains.

A Structural Shift, Not a Speculation

Micron’s $1 trillion milestone is more than a market event. It reflects a genuine structural transformation. The company once defined by brutal commodity memory cycles now stands at the center of AI infrastructure. However, caution remains warranted. GuruFocus flags the stock as significantly overvalued relative to its intrinsic GF Value estimate. Investors must balance the undeniable growth narrative against stretched valuations. The AI memory boom is real. However, so is the risk of paying too much for anticipated future growth.

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