Celestica Stock Jumps on Blowout Q3 Earnings, Forecasts 90% Revenue Growth for 2027

Celestica Inc. (CLS) shares surged nearly 9.7% in after-hours trading on Thursday after the company released third-quarter financial results that significantly beat expectations and provided a transformative forecast for future growth.

Blockbuster Quarterly Results

For the third quarter of 2026, Celestica reported figures that exceeded the high end of its own guidance range, continuing a trend of strong performance. The results demonstrated substantial year-over-year growth, driven by what CEO Rob Mionis called "strong momentum."

• Adjusted EPS: $3.30, more than double the $1.58 reported in the same quarter a year earlier.
• Revenue: $5.83 billion, representing an 83% increase year-over-year.
• Adjusted Operating Margin: 8.5%, which the company noted was a new record high.

Transformative Forward Guidance

The market's enthusiastic response was primarily fueled by the company's extraordinary forward outlook. Celestica issued an initial forecast for 2027 that projects explosive growth, providing a level of visibility that resonated strongly with investors.

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The company's initial 2027 annual outlook calls for approximately $40.0 billion in revenue, implying a growth rate of around 90%, with adjusted EPS of $21.50. Celestica also noted that customer demand forecasts for 2028 are already tracking "meaningfully higher" than its 2027 revenue outlook.

For the immediate future, Celestica raised its full-year 2026 revenue outlook to $21.0 billion from a prior $20.5 billion and lifted its adjusted EPS forecast to $11.55. The company also announced its intention to launch a new share repurchase program in the fourth quarter.

Market Reaction and Context

The after-hours stock surge was entirely company-specific, as the broader market was essentially flat during the regular session. The S&P 500 closed up just 0.01%.

While Celestica has a history of beating consensus estimates, the sheer magnitude of the Q3 beat and the scale of its 2027 guidance appeared to resolve investor uncertainty regarding its ability to sustain growth fueled by AI infrastructure spending. The report provided a powerful catalyst for the stock, which had been trading significantly below its 52-week high heading into the announcement.