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AAON Stock Jumps 19% After Record Q3 Earnings

PR Newswire (AAON press release)2 min read6 sources

Why did AAON stock jump 19%?

AAON (AAON) stock jumped 19.3% to $75.01 on Tuesday after the HVAC maker reported record third-quarter sales and raised its 2026 growth outlook, driven by data center cooling demand.

Key numbers

AAON Q3 net sales$707.4M+84.1% YoY
AAON Q3 diluted EPS$0.83+124.3% YoY
AAON 2026 sales growth outlook72%–75%from 55%–60%
AAON backlog$1.9B+40.5% YoY
AAON close, Nov 10$75.01+19.3% (per [2][3])
Mercury Q1 revenue$253.2Mshares about -3% after hours

What happened

AAON (AAON) stock jumped 19.3% to $75.01 on Tuesday after the HVAC maker reported record third-quarter sales and raised its 2026 growth outlook, driven by data center cooling demand. Sales rose 84% from a year ago to $707.4 million, and the company now expects 2026 sales to grow 72% to 75%, up from 55% to 60%. It also corrected its first-half 2026 results (a restatement) and flagged a weakness in its accounting checks, but found no fraud. Separately, Mercury Systems (MRCY) fell about 3% after hours Tuesday despite beating profit and sales forecasts.

Why it matters

AAON shows how the AI building boom is lifting companies that cool data centers, the buildings full of computers that run AI. Its data center brand, BASX, now makes up more than half of sales, so results lean heavily on that spending. The accounting fixes are a reminder that very fast growth can come with weaker internal checks. Mercury's dip shows a good report does not always lift a stock that had already risen.

Who this affects

Marketmixed
Medium impact
Investors in AI-linked industrial stocks cheered; accounting flag adds caution.
Companymixed
High impact
Shareholders gain from the jump; weak controls need fixing.
Competitorsneutral
Low impact
Cooling rivals such as Vertiv got a strong demand signal.
Industrybullish
Medium impact
Data center cooling demand is outgrowing traditional HVAC for makers.

AAON vs Vertiv, Trane Technologies, Lennox

AAONAAON—+19.3%—
VertivVRT$74.8B-3.1%21.0x
Trane TechnologiesTT$92.1B+0.1%24.6x
LennoxLII$11.9B-0.4%15.5x

As of 2026-11-10

How we got here

  1. AAON reports record Q3 sales, raises 2026 outlook and restates first-half results after market close.

  2. AAON shares jump 19.3% to close at $75.01.

  3. Mercury Systems beats fiscal Q1 forecasts, yet shares fall about 3% after hours.

What to watch

  • AAON's progress fixing the material weakness in its financial reporting controls.Q4 2026
  • Whether AAON delivers its 72%–75% full-year sales growth target.Q1 2027
  • Mercury's free cash flow, negative $24M last quarter, and its management changes.Q2 fiscal 2027

Educational content only. Not investment advice.

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