Memory Scarcity Goes Mainstream: Micron’s HBM4 Pipeline Is Sold Out, but the Rally Now Faces a Washington Headwind

Micron Technology’s stock has surged nearly 700 percent over the past twelve months, but the argument for that kind of multiple has moved far beyond quarterly earnings. US industry associations representing automakers, retailers, medical-device companies, and telecom operators have started warning Washington that artificial-intelligence data centers are devouring memory capacity and threatening supply chains and consumer prices. The message is clear: the shortage of high-bandwidth memory has become an economy-wide problem, not just a semiconductor niche.

That broader pressure provides the most powerful tailwind for Micron’s valuation thesis. Chief executive Sanjay Mehrotra, speaking at Computex, framed the shift from AI training to inference and agent-based workloads as a step-change in demand for memory bandwidth and capacity. Nvidia’s Jensen Huang has characterised the situation as a “multi-year silicon drought” — a structural bottleneck, not a temporary hiccup. Micron is one of only three companies capable of mass-producing HBM, and its entire calendar-year 2026 output is already under contract.

The production ramp is accelerating. Micron has pulled forward volume shipments of its next-generation HBM4 by one quarter, targeting roughly 15,000 wafer starts per month by the end of 2026 — equivalent to 30 percent of total HBM production. HBM4E samples are due in the second half of next year, with full-scale production slated for 2027 and 2028. According to Counterpoint Research, SK Hynix still commands 62 percent of the HBM market, but Micron has overtaken Samsung, now holding 21 percent versus Samsung’s 17 percent. Crucially, Micron’s roadmap is moving faster than its rivals on the next generation.

Should investors sell immediately? Or is it worth buying Micron?

Wall Street has taken notice in an aggressive way. On June 8, Wells Fargo raised its target from $550 to $1,220, maintaining a buy rating. Cantor Fitzgerald went further, lifting its target from $700 to $1,500, and Morgan Stanley increased from $520 to $1,050. The memory trade is alive, Cantor argued, with DRAM and NAND facing undersupply across calendar 2026, 2027, and 2028. SK Group chairman Chey Tae-won added that the global wafer crunch could persist until 2030. Such upgrades paint a picture of sustained pricing power.

Yet the market has already run well ahead of the average analyst. The median price target stands at €639 — roughly 17.6 percent below Tuesday’s closing level of €775.40, which itself followed a 7.6 percent one-day drop. The stock has fallen more than 17 percent from its June 3 high of €938.70, and the 30-day annualised volatility sits above 100 percent. An RSI of 54.7 signals neither panic nor euphoria, but the distance from its moving averages is extreme: the shares trade 37 percent above the 50-day average and more than 138 percent above the 200-day line. A decline of this magnitude does not make the stock cheap; it merely brings it back from extraordinarily stretched levels.

The deeper question is whether this is a genuine structural shift or just a particularly intense upcycle. TrendForce has warned of a convergence scenario: if chip upgrades slow and inventories build, the supply-demand gap could narrow quickly. For a company whose earnings have historically swung from record highs to near zero within three years, that risk is not theoretical. Meanwhile, the same scarcity that powers Micron’s margins is drawing unwanted political attention. The industry groups that petitioned Washington did not complain about weak demand; they warned that an imbalance is becoming economically painful. That opens the door to capacity-expansion pressures, subsidy debates, and customer pushback.

Micron has what no memory stock has had in past cycles: a sold-out forward order book and an argument that memory is a strategic bottleneck rather than a commodity. But the stock price now demands that the scarcity narrative remain both stable and politically uncontested. The next test arrives on June 24, when the company reports its third fiscal quarter. By then, the market will have to decide whether the structural story justifies a valuation that has already priced in a great deal of it.

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