Micron's Memory Boom Is Real — the Argument Is Over What It's Worth
Published on 09/10/2026 at 11:30 | Editorial boerse-global.de
Micron Technology has spent the past month proving that memory chips are no longer a commodity sideshow. The stock has climbed 16% in 30 days and 249% since the start of the year, a run that has turned a once-cyclical component maker into one of the most debated names in semiconductors. The disagreement is no longer about whether the business is thriving. It is about how much of that prosperity is already baked into the price.
The bull case rests on numbers that are hard to dismiss. In its third fiscal quarter, which closed in May, Micron reported revenue of $41.46 billion — a 346% jump from a year earlier and well clear of the roughly $36 billion analysts had penciled in. Adjusted earnings per share came in at $25.11, comfortably above the $21 consensus. Gross margin expanded into the mid-80% range, up from the high 30s a year ago.
Management's own guidance for the current quarter, which ends September 30, points to revenue of about $50 billion and a gross margin near 86%. CEO Sanjay Mehrotra has described a supply picture tight enough to persist beyond calendar 2027. The company says it has signed 16 strategic customer agreements backed by roughly $22 billion in prepayments — a sign that buyers would rather lock in capacity now than gamble on cheaper spot prices later. Revenue from HBM4, the high-bandwidth memory built for AI accelerators, has already crossed $1 billion.
A Structural Shift, Not a Spike
The scale of the re-rating reflects a broader change in how the industry is valued. Susquehanna notes that memory now accounts for 50% to 55% of total semiconductor revenue, up from a historical 20% to 30% — a shift one of its analysts sums up by calling memory the "king of the semiconductor industry."
J.P. Morgan has taken that thesis further, projecting that the addressable memory market for Samsung, SK Hynix and Micron will expand from $214 billion in 2025 to $1.681 trillion by 2028. Industry operating margins, around 30% in 2025, are expected to leap to roughly 75% in 2026 under that forecast. UBS adds weight to the scarcity argument: memory prices are estimated to have risen more than 20% in the third quarter, with DRAM and NAND seen as undersupplied through 2027. Global memory revenue hit a record $74.6 billion in July. SanDisk, meanwhile, warned at a Goldman Sachs technology conference that NAND supply will stay constrained for the foreseeable future as AI inference demand mounts.
Should investors sell immediately? Or is it worth buying Micron Technology?
Two Analysts, Two Conclusions
Not everyone reads the same facts the same way. On September 8, a Seeking Alpha analyst downgraded Micron from Buy to Hold, arguing that a 23% price gain had closed the valuation gap. Just a week earlier, on September 1, Bernstein's Mark Li had initiated coverage with a Buy rating and a twelve-month target of $1,300.
The split follows a familiar fault line: growth narrative versus valuation discipline. Those who side with Bernstein see room left in the structural demand for memory. Those focused on the recent price action consider the move largely spent. Both camps are working from real data — the 30-day advance is not a trivial rally.
Citi had already trimmed its price target in early August, cutting it from $1,400 to $1,150 while keeping a Buy rating. The bank cited a more cautious outlook for DRAM and NAND pricing next year. That call is now more than a month old and no longer reflects Citi's current stance, but it illustrates that even houses with a broadly positive view had lowered their memory price expectations weeks ago — a detail that tempers the euphoria visible in the share chart alone.
Management Moves and Insider Selling
Alongside the analyst debate, Micron reshuffled its leadership in late August. Manish Bhatia was promoted to president and chief operating officer, while Dr. Scott DeBoer became president of technology and products. Both are internal appointments, which reads as a signal of continuity rather than upheaval — the company is leaning on proven hands rather than importing an outside reset. For investors watching for operational stability in a volatile cycle business, that counts in Micron's favor.
Less clear-cut is CEO Sanjay Mehrotra's sale of 40,000 shares on August 21, which netted him just under $38.8 million. Insider sales of that size are not unusual after such a steep run and are no alarm signal on their own. Even so, the transaction belongs in any sober assessment, particularly at a moment when analysts are openly arguing about valuation.
Where the Stock Stands
Micron traded at EUR 874.90 on Thursday, down 0.9% from Wednesday's close of EUR 882.70. Against the rally of recent weeks, the softness looks like a healthy pause rather than a change in direction. The stock remains about 21% below its 52-week high — a reminder that if the Bernstein scenario plays out, there could still be upside from here. A separate reading puts the shares roughly 20% under a 52-week peak of EUR 1,103.80 reached in June.
Neither extreme position is fully convincing. The downgrade is a reasonable response to a very fast advance, but it does not erase the structural arguments behind Bernstein's target. The September 30 earnings report will be the real arbiter: it will show whether memory pricing momentum supports the optimistic scenarios or validates Citi's more cautious assumptions. Until then, Micron remains a stock on which the professionals are likely to keep disagreeing.
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