Micron tops $1 trillion as AI memory demand surges
Micron briefly crossed $1 trillion as its memory chips became an AI bottleneck, with UBS lifting its target to $1,625 and shares jumping as much as 19.3%.
Micron Technology briefly joined the $1 trillion club on Tuesday, a valuation once reserved for platform giants and AI favorites but now extended to the maker of the memory chips that feed them. The stock surged as much as 19.3% before finishing the day up 17.4% at $881.60, after hitting an intraday high above $890 and a 30th record high of 2026.
The catalyst was a sharp reset in how investors value the AI supply chain. UBS raised its price target on Micron to $1,625 from $535, the highest on Wall Street, as the market priced in long-term agreement opportunities and partially fixed pricing. The move pushed Micron, the largest U.S. memory chipmaker, past the trillion-dollar threshold for the first time, underscoring how rapidly sentiment has shifted from treating memory as a cyclical commodity to viewing it as strategic AI infrastructure.
That shift matters because Micron sits at a chokepoint in the buildout of data centers for generative and agentic AI. High-bandwidth memory is in heavy demand, and Micron’s 2026 output in that category has already been reported as sold out. Investors are no longer rewarding only the companies that design AI models or produce the most visible accelerators. They are also bidding up the suppliers that store and move the data those systems depend on, and that has turned memory into one of the market’s clearest AI bottlenecks.
The numbers help explain the enthusiasm, but they also raise the central question behind Micron’s surge: whether the fundamentals justify the scale of the re-rating. Micron reported record second-quarter fiscal 2026 revenue of $23.8 billion, up from $8 billion a year earlier, and management has said the shortage could last beyond 2026. Sanjay Mehrotra, Micron’s chief executive, said in a May 22 Bloomberg interview that the memory-chip squeeze may extend past next year, reinforcing the case for pricing power and sustained demand.
Micron’s climb also places it in a small club of companies that have crossed the trillion-dollar mark, even briefly, while highlighting how deep the AI boom now runs into the semiconductor stack. Earlier winners were celebrated for making the processors that trained and ran AI systems. Micron’s rally shows the market is now willing to value the less glamorous layer underneath them as a strategic asset, not a commodity. Whether that valuation holds will depend on how long demand stays tight and how long customers keep signing away supply.
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