Personalis (PSNL) stock popped Friday on a rumor Merck (MRK) and at least two other suitors are trying to buy the small genomics company.
Needham analyst Mike Matson says Tempus AI (TEM) is likely one of the other bidders
Merck, a Dow Jones Industrial Average component, and Tempus AI both own stakes in Personalis. Other large diagnostic companies could also… Related news Merck Snags A First-Of-Its-Kind Approval, And Shares Jump 7/16/2026 Merck snagged the first-ever approval for a PCSK9 pill to lower LDL cholesterol, starting a new rivalry with injection-makers. 7/16/2026 Merck snagged the first-ever approval for a PCSK9 pill to