RadNet's stock surged 5.69% in pre-market trading on Monday.

The diagnostic imaging provider reported better-than-expected first-quarter results, with revenue rising 22% year-over-year driven by a 19.7% increase in advanced imaging volumes. The company's adjusted net loss narrowed compared to the same period last year, and total service revenue significantly exceeded analyst expectations.

Investors reacted positively to RadNet's raised full-year 2026 guidance for Imaging Center revenue and adjusted EBITDA, signaling confidence in continued growth. The company's Digital Health segment also showed impressive expansion with revenue increasing 51.5% year-over-year.