Micron has suddenly become one of the world’s most important stocks
Micron reported blockbuster earnings with revenue surging 48.9% YoY to $37.4B and gross margins reaching 39.8%, driven by explosive HBM/AI memory demand. The print cements Micron as a direct read-through on AI infrastructure spending and raises the bar for the entire memory supply chain.
Micron's fiscal-year results landed as one of the most consequential semiconductor earnings prints in recent memory, with revenue of $37.4B representing a 48.9% year-over-year surge and diluted EPS of $7.59 on gross margins of 39.8% and net margins of 22.8%. Mizuho's managing director called the earnings 'hard to overstate,' a rare superlative from a typically measured sell-side voice.
The numbers matter well beyond Micron itself. MU is the primary publicly-traded pure-play on DRAM and NAND memory, and its HBM (High Bandwidth Memory) ramp is directly tied to AI GPU buildouts at Nvidia, AMD, and hyperscaler data centers. A beat of this magnitude signals that AI capex is not only intact but accelerating into 2025.
The second-order setup is significant: memory has historically been a boom-bust cycle, and the question the market will now debate is whether these margins are peak or just the beginning of a multi-year upcycle. Bulls point to HBM3E supply constraints, long-term contracts, and the fact that $37.4B in revenue was almost certainly supply-constrained rather than demand-constrained.
Bears will flag that NAND pricing remains volatile, that Samsung and SK Hynix are aggressively ramping capacity, and that a single strong print does not guarantee sustained margin expansion. The stock's reaction in the days following the print is the real tell — if MU holds the post-earnings gap, it likely signals institutional accumulation rather than sell-the-news behavior.
What to watch: Micron's next quarterly guide, HBM allocation disclosures, and any commentary from Nvidia or AMD about memory constraints in their own upcoming prints.
MU's blowout 48.9% revenue growth and 39.8% gross margins raise the question of whether this is the start of a sustained HBM-driven upcycle or a peak-cycle print that sets an impossible comp bar for 2026.
FY revenue of $37.4B (+48.9% YoY) and 39.8% gross margins materially exceed what was priced for a 'recovering' memory cycle — this is an upcycle print. HBM supply remains tight and Micron is one of only three global HBM suppliers, creating structural pricing power that was not present in prior DRAM cycles. If the post-earnings gap holds on volume, institutional accumulation thesis is intact.
Samsung and SK Hynix accelerating HBM capacity ramps could compress pricing by H2 2025; NAND oversupply has not resolved and could drag blended margins lower even if DRAM stays firm. A miss on forward guidance or a weaker-than-expected HBM allocation update would invalidate the upcycle thesis quickly.
CoverageSource: MarketWatch · Published here FRI, JUN 26 · 1:26 PM ET · 2 reports · 2 publishers in this record · latest listed: Yahoo Finance · FRI, JUN 26 · 1:26 PM ETHow this is decided →
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With $37.4B in FY revenue on what is largely a supply-constrained HBM product mix, Micron's 39.8% gross margin likely has room to expand further as HBM3E mix increases and long-term contracts lock in pricing through 2025-2026.
Memory cycles have historically mean-reverted sharply after peak-margin quarters, and Samsung's aggressive capacity expansion timeline — if it accelerates — could compress DRAM spot prices and make the current 39.8% gross margin a high-water mark rather than a floor.
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