Labcorp Holdings Inc's stock surged 5.19% during pre-market trading on Tuesday, following the release of its fourth-quarter 2025 financial results and 2026 outlook.

The company reported adjusted earnings of $4.07 per share for the quarter, exceeding analyst estimates of around $3.89 to $3.94. While quarterly revenue of $3.52 billion slightly missed expectations, it represented a year-over-year increase. The diagnostics segment, a key growth driver, saw revenue rise 5.5% during the period.

Investors reacted positively to Labcorp's forecast for fiscal 2026, which calls for adjusted earnings per share between $17.55 and $18.25. The midpoint of this range is above the average analyst estimate. The company also expects revenue between $14.61 billion and $14.79 billion, citing robust demand for diagnostic tests and benefits from hospital laboratory management agreements as factors supporting continued growth.