
Shares of U.S.-based cancer diagnostics firm Personalis PSNL.O rise 2.3% to $8.01 premarket
Co says Medicare will now cover its NeXT Personal test for monitoring early-stage non-small cell lung cancer, the most common form of the disease
Says the test tracks tiny bits of circulating tumor DNA (ctDNA) in blood that can indicate the presence of cancer; analyzes hundreds of tumor-specific mutations to guide ongoing care decisions
Move follows Medicare approval for the same test in breast cancer patients, co says
Medicare is the U.S. government health insurance program for people aged 65 and older
Shares rose ~38% in 2025