09:16 AM EDT, 08/14/2026 (MT Newswires) -- Healthcare stocks were flat to lower pre-bell Friday, with the iShares Biotechnology ETF (IBB) unchanged and the State Street Health Care Select Sector SPDR ETF ( XLV ) declining by 0.2%.

Heartflow ( HTFL ) stock was up nearly 24% after the company posted a narrower Q2 non-GAAP loss, as revenue increased during the period, and raised its 2026 revenue outlook.

Valneva (VALN) shares were up nearly 26% after the company and Pfizer ( PFE ) said the European Medicines Agency validated their marketing authorization application for their Lyme disease vaccine candidate, starting the regulatory review process. Pfizer ( PFE ) stock was 0.1% lower premarket.

Capricor Therapeutics ( CAPR ) shares were up more than 85% after the company said the US Food and Drug Administration is willing to review an amendment to its biologics license application for deramiocel, potentially shifting the drug's focus to upper-limb skeletal muscle function in Duchenne muscular dystrophy.