09:15 AM EDT, 07/20/2026 (MT Newswires) -- Healthcare stocks were flat to lower premarket Monday, with the iShares Biotechnology ETF (IBB) inactive and the State Street Health Care Select Sector SPDR ETF ( XLV ) down 0.2%.

Tempus AI ( TEM ) agreed to acquire Personalis ( PSNL ) in a deal with a total enterprise value of $1.5 billion. Shares of Tempus AI ( TEM ) were down more than 4% and Personalis ( PSNL ) stock fell past 5% pre-bell.

Dyne Therapeutics ( DYN ) stock was up more than 4% after the company said the US Food and Drug Administration accepted its biologics license application for z-rostudirsen to treat Duchenne muscular dystrophy patients amenable to exon 51 skipping.

Kamada ( KMDA ) shares were up more than 4% after the company said it has signed a three-year $50 million agreement to supply plasma to an unnamed biopharmaceutical company focused on plasma-derived therapies.