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Super Micro Stock Jumps 12% After Guidance Raise
Why is Super Micro stock up today?
Super Micro Computer (SMCI) stock jumped about 12% after hours on Tuesday from its $32.47 close, after it raised its quarterly sales forecast by $4 billion on AI server demand.
Key numbers
| Q1 FY27 revenue outlook | $18.5B–$19.5B+$4B vs prior $14.5B–$15.5B |
|---|---|
| Analyst average estimate | $15.2BOutlook beats by about $3.8B at midpoint |
| Gross margin outlook | 12.0%–12.5%vs 10.4%–10.8% prior |
| After-hours move | +12%Reports range from +11.3% to +14% |
| Tuesday close | $32.47+1.15% |
| Midpoint vs last quarter | $19.0B+71% vs $11.1B in Q4 FY26 |
What happened
Super Micro Computer (SMCI) stock jumped about 12% after hours on Tuesday from its $32.47 close, after it raised its quarterly sales forecast by $4 billion on AI server demand. The company's own forecast (guidance) now calls for $18.5 billion to $19.5 billion in sales for the quarter ended Sept. 30, up from $14.5 billion to $15.5 billion, versus analysts' average of about $15.2 billion. It also expects to keep more profit from each sale, with gross margin of 12.0% to 12.5%, up from 10.4% to 10.8%. Dell and HPE rose about 4% to 6% too.
Why it matters
Super Micro builds the powerful computers (servers) that fill AI data centers, so a $4 billion jump in its own sales forecast suggests demand for AI hardware is still growing fast. Higher profit margins ease a worry that it was winning sales by giving up profit. Dell and HPE sell similar machines, so investors treated the news as a good sign for them too. The numbers are preliminary and unaudited.
Who this affects
- MarketbullishMedium impact
- AI hardware investors cheered; server stocks rose after hours.
- CompanybullishHigh impact
- Shareholders gain; sales and margin both beat earlier forecasts.
- CompetitorsbullishMedium impact
- Dell and HPE rose in sympathy, good for both.
- IndustrybullishMedium impact
- AI server demand looks strong, good for hardware makers.
Super Micro vs Dell Technologies, Hewlett Packard Enterprise
How we got here
Q4 FY26 revenue of $11.1B lands near the low end of its $11B–$12.5B guidance.
Super Micro names former Western Digital executive Mark Long as chief financial officer.
Shares close at $32.47, then the company issues preliminary Q1 results after the market closes.
Shares jump about 12% after hours while Dell and HPE gain 4% to 6%.
What to watch
- Whether the after-hours gain holds in Wednesday's regular trading session for Super Micro, Dell and HPE.2026-10-21
- Full Q1 results and earnings call, including whether the 12.0%–12.5% gross margin holds.2026-11-03
Educational content only. Not investment advice.
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