Storage giants have just delivered what can be described as "epic" earnings reports.
Gross margins soaring into the 80%+ "money-printing" mode, long-term take-or-pay customer agreements spanning 3-5 years, and even customers eagerly handing over tens of billions of dollars in "interest-free deposits"... If one looked solely at the financials, the semiconductor memory industry is in the midst of the most ferocious super-boom period in history.
However, the capital market's reaction has been brutally cold.
Last night, Western Digital (WDC) plummeted over 13% after earnings, SanDisk (SNDK) dropped 7%, with Micron and SK Hynix also following the decline.
The performance is dazzlingly bright, yet stock prices tumble on the news. What exactly is the logic behind this great memory market crash occurring in the summer of 2026?
01. What Killed the Stock Price is Precisely the "Flawless" Expectations
In the rulebook of the capital market, being "good" is not enough; being "better than expected" is the hard rule.
When an industry's gross margin is pushed to a historical absolute peak above 80%, the market no longer prices it as a "cyclical stock" but as a "perfect asset."
Guidance falling short of "super-high expectations": SanDisk and Western Digital's quarterly results may have crushed consensus, but even a slight hint of "conservatism" in the next quarter's guidance became the perfect excuse for funds to take profits.
Extremely crowded positioning: Over the past few quarters, the bullish news surrounding AI memory (HBM, high-capacity eSSDs, nearline HDDs) has been thoroughly priced in by all corners of the market. Any slight signal of "marginal slowdown" triggers a stampede-like retreat from the long side.
As Wall Street traders' subtext goes: The day good news materializes is the day it becomes old news.
02. Four "Anomalous" Phenomena in the Earnings Reports: This is No Longer the Familiar Memory Cycle
Analyzing the earnings reports from Micron, SK Hynix, SanDisk, Seagate, and Western Digital reveals that the current memory market has deviated from the traditional trajectory of Moore's Law, exhibiting four unprecedented "anomalous signals":
Customers Rushing to Offer "Interest-Free Deposits": The Financialized Pricing Mechanism
In Micron and SanDisk's reports, a phenomenon rare in semiconductor manufacturing history emerged—customer prepayments were directly classified under "financing cash flow" rather than "deferred revenue." Micron received up to $18 billion in customer cash deposits, and SanDisk secured $16.5 billion in financial guarantees.
This is essentially tens of billions of dollars in interest-free supply chain financing willingly provided by downstream industry giants to secure a "membership ticket" in future capacity allocation.
Moore's Law Completely "Broken": Cost Curve Inverts Upwards
For decades, the semiconductor industry followed "process node scaling -> cost per bit declines." However, in Micron's earnings call, management clearly stated: as DRAM advances towards HBM4/4E and high-end DDR6, the cost per bit is rising against the trend!
Complex 3D TSV packaging, stringent thermal dissipation, and yield requirements have completely reversed the cost curve for high-end memory. Future "price increases" will no longer be purely due to hoarding but will be underpinned by a permanent elevation in the physical cost structure.
"Fire and Ice" Between Consumer End and AI Data Centers
SanDisk's data center business revenue surged 103% quarter-over-quarter, while its consumer business conversely declined by 32%. This exposes a deeper concern: as AI monopolizes all advanced wafer capacity, end consumer electronics (smartphones, PCs), unable to absorb the high memory costs, are seeing some demand permanently eroded.
The Comeback of HDDs: From "Cold Storage" to "AI Warm Inference"
Seagate and Western Digital's HDD gross margins are nearing a staggering 55%-57%. Supporting this phenomenon is the advent of the Agentic AI era.
In multi-turn interactions, context caches (KV Cache) are being layered and placed extensively on HDDs to avoid GPU recomputation. High-capacity hard disk drives have forcefully transformed from "cost centers" for cold data archiving into "key enablers" for improving computational efficiency.
03. Hidden Worries Behind the Boom: Peak Capacity Battle and "Volume-Price Decoupling"
Although giants claim "supply tightness will persist beyond 2027," the frenzy in capital expenditures (CapEx) has already sown the seeds for future trouble:
Capital Expenditures (CapEx) Run Amok: SK Hynix's 2026 CapEx is hitting a high of 40 trillion KRW, with expansions accelerating at Yongin Fab1 and M15X; Micron's FY26 CapEx stands at a massive $27 billion. Launching an unprecedented wave of factory construction during the peak of industry profitability has historically been a precursor to the next supply glut cycle.
Rampant Profitability Relying Solely on "Price Hikes," Bit Shipment Growth Slows: Western Digital's Q4 hard drive bit shipment (Exabyte) growth has slowed from 30%+ to 22%, yet revenue skyrocketed by 44%.
When the core driver of explosive earnings growth becomes entirely "skyrocketing unit prices" rather than "a surge in absolute demand," the fragility of extremely high gross margins becomes starkly exposed. Once price support shows any marginal weakness, the retreat in profits will be extraordinarily sharp.
04. Conclusion: The Cycle Hasn't Disappeared, It Just Put on an AI Suit
The Microns of the world are trying to tell the market a new story—memory has transformed from a "strongly cyclical commodity" into a strategically scarce asset akin to "data infrastructure utility."
The narrative is perfect: AI-generated data has a "compound interest effect," data, once created, does not disappear; therefore, memory demand will grow perpetually.
But the capital market is always sober and cruel. The post-earnings stock plunge is smart money voting with its feet: they acknowledge AI has brought a historic, long runway for memory, but they are also acutely aware that when valuations and earnings expectations are pushed to their zenith, the margin of safety has vanished.
Keep the music playing, keep dancing? Perhaps the giants in the ballroom are still intoxicated, but funds on the sidelines have already begun quietly exiting.
AI isn't over; it's just that money is starting to move elsewhere.
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This article is from the WeChat public account "Gelonghui Financial Hotspots" (ID: glh_finance), author: Gelonghui editor.
