Celestica Inc. (NYSE:CLS) shares are trending on Thursday.Shares of the Toronto-based data center infrastructure provider fell 5.28% in after-hours trading on Wednesday, to $327.01, following the company's fourth-quarter earnings report and 2026 guidance update.Record Q4 Performance Beats GuidanceCelestica reported fourth-quarter 2025 revenue climbed 44% to $3.65 billion from $2.55 billion a year earlier, topping the high end of its guidance range of $3.325 billion to $3.575 billion. Adjusted earnings per s ...