Wesco International shares are climbing in Wednesday trading as investors continue to reprice the stock following the company’s latest quarterly results and updated outlook. The rally is being fueled by accelerating demand tied to data-center infrastructure, stronger profitability, and a raised full-year 2026 outlook communicated with the company’s first-quarter FY2026 release.

For the first quarter ended March 31, 2026, Wesco posted record net sales of $6.080B (+13.8% year over year) and diluted EPS of $3.11, with adjusted diluted EPS of $3.37 (+52.5% year over year). The company highlighted data-center sales of about $1.4B, up roughly 70%, and said that data centers now represent 24% of total Wesco sales; backlog rose 22% to a record level. Wesco also emphasized strong cash generation, reporting operating cash flow of $221M and free cash flow of $213M, and said it raised its full-year 2026 outlook after what it called an exceptional start to the year. (investors.wesco.com)

With the stock already elevated after last week’s post-earnings move, today’s gain looks like continuation buying as the market digests the durability of Wesco’s data-center exposure and the implication for margins and cash flow through the rest of 2026. Separately, a recent analyst move also added support, with Barclays raising its price target to $375 while keeping an Overweight rating (published May 1, 2026). (streetinsider.com)

Investors will watch whether backlog strength converts into continued double-digit sales growth and whether data-center demand remains the primary driver of mix and margin expansion. On the balance-sheet side, Wesco Distribution disclosed it intends to use proceeds from a newly priced senior notes offering to redeem its 7.250% notes due 2028 (on or after June 15, 2026) and repay a portion of its ABL facility, which could further shape sentiment around funding costs and leverage. (investors.wesco.com)