What Just Happened To Celestica Stock?

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Celestica (CLS) shares rose 8.4% on Wednesday, October 28, 2026, outpacing a 0.3% gain for the S&P 500. The advance marked the stock’s second consecutive gain since the company reported third-quarter results on October 26. Peer companies also traded higher that day, with Flex gaining 11.6%. So what did Celestica report?

Celestica Beat Estimates And Raised Guidance

Celestica reported third-quarter adjusted earnings per share of $3.30, compared with an estimate of $3.02. Revenue reached $5.83 billion, against a $5.40 billion estimate, an 82.5% increase from a year earlier. News reports tied that growth to AI infrastructure demand, with the Compute & Storage division up 242%.

The company said both revenue and adjusted earnings per share finished above the high end of its own guidance ranges. Celestica raised its 2026 guidance and increased its 2027 revenue target to $40 billion, from $35 billion, stating that the 2027 outlook reflects faster revenue growth and a wider adjusted operating margin.

Celestica combined its results call with an investor and analyst day on October 27. News reports linked the shares’ 12.1% rise that day to the results and the raised guidance.

All Five Peers Rose With Celestica

Wednesday’s gain was not limited to Celestica. All five companies on its Trefis peer list rose during the session. Flex gained 11.6% on the day it reported its own quarterly results, while Fabrinet added 7.0%. Flex was the one peer that rose more than Celestica.

The broader technology sector saw much smaller gains, with the XLK SPDR fund rising 0.8%. Celestica climbed alongside its peer group on Wednesday, moving well ahead of technology stocks as a whole.

Celestica Stock Is Still Down Over Twelve Months

You have seen gains this large from Celestica before. The shares rose at least this much in 12 sessions over the prior 365 days, most recently on October 27. Over the twelve months to October 28, the stock lost 0.7%, against a 14.0% gain for the S&P 500.

Within that year, the shares reached a 52-week closing high of $472.40 on June 2, 2026, before dropping to a 52-week closing low of $246.65 on October 26, the day the company reported. The results came out after the close that day, so the low was set before the market saw them. Over the month to October 28, the shares lost 18.2%, while the S&P 500 gained 1.0%.

At Wednesday’s close, Celestica traded at 2.0 times its sales over the past twelve months, against 3.2 times for the S&P 500. Celestica is expected to report its fourth-quarter 2026 results in January 2027, and revenue growth from a year earlier is the figure to watch.

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