Wesco International Inc.'s stock soared 21.20% in pre-market trading following the release of its first-quarter 2026 financial results, which significantly exceeded analyst expectations and prompted the company to raise its full-year outlook.

The company reported adjusted earnings per share of $3.37, beating the consensus estimate of $2.78 by 21.22% and representing a 52.5% increase year-over-year. Quarterly sales reached $6.08 billion, surpassing estimates of $5.87 billion and marking a 13.8% increase from the same period last year. A key driver of this performance was explosive growth in data center sales, which jumped approximately 70% year-over-year and now represent 24% of total sales.

Following this exceptional start to the year, Wesco raised its full-year 2026 outlook, citing record backlog and positive business momentum. The company now expects adjusted EPS in the range of $15.00 to $17.00, compared to the FactSet consensus estimate of $15.67. Management expressed heightened confidence in the company's growth trajectory, supported by strong operational execution and margin expansion across its segments.