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 more than 24% after the company posted a narrower Q2 non-GAAP loss, as revenue increased during the period, and raised its 2026 revenue outlook.