Why Is Micron Stock Falling Despite Solid Results?

Micron (MU) just posted the best quarter in company history last month. The stock has fallen anyway.

Revenue reached $41.46 billion in fiscal Q3 2026, up 346% year over year and 17% ahead of consensus. Adjusted EPS came in at $25.11 versus expectations of roughly $20.20, while gross margin hit a record 84.9%. Management also guided fiscal Q4 revenue to $50 billion, about $6.5 billion above Wall Street estimates. The stock initially surged nearly 15% after the results, only to reverse course and fall more than 20% from its post-earnings high as memory stocks sold off broadly. See Micron growth and margins vs. peers

The selloff may seem counterintuitive, but Micron had already rallied roughly 245% heading into earnings, leaving little room for anything short of perfection. Even after the decline, the stock trades at just 13x estimated fiscal 2026 earnings and under 7x fiscal 2027 earnings. Those multiples look inexpensive, but memory stocks have rarely been valued on peak earnings. Investors know today’s shortages, pricing power, and record margins eventually give way to new supply and lower profitability. The debate isn’t about whether Micron is having an exceptional year. It’s about whether these earnings can persist. Several developments over the past few weeks have only reinforced those concerns. Take a detailed look at how past memory cycles have played out for Micron

Fresh Capital Competition

Now look at the numbers. Samsung is committing roughly $73 billion to capex and R&D this year. SK Hynix is raising about $29 billion through a U.S. listing to fund new fabs and equipment. Micron has raised its fiscal 2026 capex forecast to $27 billion and expects even higher annual capital spending in fiscal 2027. Together, these three memory suppliers are deploying roughly $130 billion in a single year. That $73 billion is just Samsung’s installment for 2026. Seoul confirmed in late June that Samsung and SK Hynix are jointly building a new $518 billion semiconductor cluster over the next decade, with Samsung reportedly planning a $646 billion investment blueprint of its own through the mid-2030s. More supply could reduce pricing power. Sure, the industry contracts are getting longer, but there are still risks.

Customers Could Scale Back

Tight memory supply has been great for Micron’s margins and increasingly uncomfortable for its customers. Apple (AAPL) raised prices across its Mac and iPad lineup in June, and Tim Cook has said memory cost increases are unlike anything he’s seen in decades in the industry. Standard DRAM contract prices are projected to climb another 13% to 18% this quarter. At some point, hyperscalers and device makers either pass these costs on or absorb margin pain. Either path raises questions about how long AI infrastructure spending can keep accelerating at the current pace.

At the same time, companies ultimately paying to use AI services could begin to show more discipline. Tesla (TSLA) capped employee AI tool spending at $200 per week starting July 6. Uber, Meta (META), and Walmart have introduced similar limits as usage-based pricing made AI costs more visible. These are relatively small cost-saving measures, but they could eventually impact the AI buildout.

New Pure Play Competitor Listing In The U.S.

SK Hynix is expected to begin trading on Nasdaq around July 10 following one of the largest-ever ADR offerings, raising roughly $28 billion to fund AI memory expansion. For many U.S. institutional investors, the listing creates a far more accessible way to own the world’s HBM leader. Until now, Micron was the primary U.S.-listed pure-play memory stock. As SK Hynix becomes available on Nasdaq, some portfolio rotation from Micron is a natural outcome, even if nothing has fundamentally changed in Micron’s business.

Apple’s China Hedge

While Micron’s management noted that its capacity is heavily locked under Strategic Customer Agreements (SCAs) through 2027, the market reacted nervously to supply chain shifts on the legacy consumer side. Reports surfaced that Apple is actively negotiating with China’s ChangXin Memory Technologies (CXMT) to source domestic memory for devices slated for the Chinese consumer market. Even though CXMT operates on legacy nodes compared to Micron’s cutting-edge DRAM, Apple’s willingness to integrate cheaper Chinese supply signals that the baseline commodity memory shortage could resolve much faster than the timeline currently modeled by the market.

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