Micron surges 17% on blowout Q3 earnings; projects $50B Q4 revenue, $22B in AI datacenter commitments
Micron Technology reported record Q3 fiscal 2026 results on June 24, beating analyst expectations on both earnings and revenue, and issued guidance that sent chipmakers soaring. Micron's shares jumped 17% in after-hours trading to a record high, adding roughly $189 billion in market value and briefly surpassing Meta and Tesla in market cap to hit $1.39 trillion. The company forecasted Q4 fiscal 2026 revenue of approximately $50 billion (plus or minus $1 billion) versus analyst consensus of $43.6 billion, and adjusted EPS of $30–32 with gross margin expansion toward 86%.
More significantly, Micron disclosed that customers have committed approximately $22 billion in fixed-price, multi-year purchase agreements to lock in supplies of memory chips, an extraordinary signal of forward demand visibility rarely seen in the traditionally cyclical memory sector. The US-based chipmaker is the sole US producer of high-bandwidth memory (HBM), the specialized DRAM type that sits adjacent to AI accelerators and is currently sold out for 2026. HBM4 production began shipping for Nvidia's Vera Rubin platform in March 2026. The rally sparked a $400 billion sector-wide AI chip stock surge: Broadcom climbed 2%, Arm Holdings rallied 6%, Marvell added 4%, Applied Materials and ASML both rose over 4%, and Qualcomm added 3.8% after forecasting $15 billion in data center revenue by 2029.
For infrastructure teams, Micron's forward contracts signal that memory remains a hard constraint on AI scaling through 2027, with pricing power fully in chipmakers' hands. The $22 billion lock-in by hyperscalers reflects existential concern about capacity bottlenecks—a structural shift from the commodity cycles that historically defined DRAM. Architects should monitor DRAM/HBM availability windows and long-term contract terms as a core capacity-planning input.
Sources
- Primary source
- bnnbloomberg.ca
“Micron, a key supplier for Nvidia's AI chipsets alongside South Korean chipmakers, surged more than 17 per cent to a record high after it forecast quarterly profit and revenue well above expectations”
- bnnbloomberg.ca
“The company, whose shares have more than tripled in value so far this year, also said its customers had committed US$22 billion to lock in supplies of memory chips”
- investingengineer.com
“Micron guided for approximately $50 billion in Q4 fiscal 2026 revenue (plus or minus $1 billion), with adjusted EPS of $30–32 and potential gross margin expansion toward 86%”
- bnnbloomberg.ca
“Qualcomm added 3.8 per cent after the chip designer said it expects to generate $15 billion in sales from its data center business by 2029”
- investingengineer.com
“Management disclosed that customers have committed approximately $22 billion in fixed-price purchase agreements to secure memory supply”