The Micron Memory Japan K.K. booth at the Semicon Japan exhibition in Tokyo, Dec. 18, 2025.
Kiyoshi Ota | Bloomberg | Getty Images
Shares of leading memory manufacturers, including Micron Technology and Western Digital (formerly SanDisk), experienced a significant surge on Monday, extending their impressive rallies. This upward momentum is fueled by recent analyses suggesting that the robust demand for memory chips, particularly those powering artificial intelligence applications, could persist through the end of the decade.
The current boom in memory companies is a direct consequence of a global microchip shortage, exacerbated by the unprecedented demand for AI-powered infrastructure. High Bandwidth Memory (HBM), a critical component that is bonded directly to advanced graphics processing units (GPUs) from industry giants like Nvidia and Advanced Micro Devices, is at the heart of this surge. These high-performance GPUs are essential for powering the vast majority of major AI data centers worldwide.
Ben Reitzes, a senior analyst at Melius Research, has upgraded Micron to a “buy” rating, projecting a potential upside of another 41% over the next 12 months. Micron’s stock has already witnessed an extraordinary ascent, climbing over 550% in the past year, with an additional 5.6% gain on Monday alone. The company’s market capitalization is now approaching a formidable $600 billion, reflecting its dominant position in the market.
Reitzes expressed an optimistic outlook, stating, “The market will eventually be willing to pay more for the unusual durability of the margin and demand profiles that AI makes possible.” He further anticipates that Nvidia will significantly increase its investment in memory solutions in the near future. “We are only in the early innings of this AI cycle, and the need for memory has never been stronger,” Reitzes added, underscoring the long-term growth potential.
Western Digital also saw a substantial boost, with its shares gaining 8.1% on Monday. The company’s stock has surged by over 3,000% in the past year, propelling its market capitalization beyond $157 billion. Reitzes forecasts an additional 36% appreciation for Western Digital shares over the coming year.
Mark Newman, a respected analyst at Bernstein with a “buy” recommendation on Western Digital, commented, “The numbers speak for themselves. Earnings revisions are coming up significantly, and that’s powered by very, very strong memory prices.”
The surge in demand for HBM is intrinsically linked to its architecture, which involves stacking multiple layers of Dynamic Random Access Memory (DRAM). This configuration allows for incredibly fast, temporary data storage, enabling GPUs to execute complex parallel processing tasks with remarkable efficiency. The leading memory manufacturers, including Micron, Samsung, and SK Hynix, have largely prioritized their DRAM production for HBM, leading to a broader shortage in general-purpose memory and a subsequent spike in prices.
Data from Counterpoint Research indicates that the DRAM market has experienced a robust 30% quarter-over-quarter growth for two consecutive periods, driven by escalating memory prices. This increased cost is rippling through the consumer electronics market. Gartner predicts that PC prices will see a significant 17% increase this year. The cost of solid-state drives (SSDs) used in PCs has reportedly doubled or even tripled since December.
Western Digital is a key player in the SSD market, which relies on NAND flash memory. NAND memory retains data even when devices are powered off, and it is experiencing a similar surge in demand as AI servers require ever-increasing data storage capacities.
The prevailing market conditions are compelling memory buyers to commit to longer-term contracts, often spanning three to five years. Industry leaders such as SK Hynix and Micron have confirmed that hyperscalers are increasingly willing to enter into long-term supply agreements to secure critical memory components amidst intense competition. For instance, chip design firm Broadcom has reportedly secured its memory supply through 2028.
“Memory makers also have a willingness to go longer term because they want to get more reliable demand, especially if they’re thinking about adding capacity,” Newman observed, highlighting the substantial lead time of approximately two and a half years required to construct new fabrication facilities before production can commence.
In response to this sustained demand and to bolster future capacity, Micron is undertaking a significant expansion of its NAND manufacturing facility in Singapore, with an investment of $24 billion. Additionally, the company is establishing large-scale chip fabrication plants in New York and Idaho in the United States. SK Hynix has commenced construction of its first memory packaging plant in Indiana, U.S., and is concurrently expanding its production and packaging capabilities with new facilities in South Korea.
Western Digital is scheduled to report its quarterly financial results next week, which will likely offer further insights into the company’s performance amidst these dynamic market conditions.
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