Healthcare stocks were flat to higher premarket Thursday, with the iShares Biotechnology ETF (IBB) inactive and the State Street Health Care Select Sector SPDR ETF (XLV) up 0.2%.
Thermo Fisher Scientific (TMO) shares were up more than 6% after the company reported higher fiscal Q2 adjusted earnings and revenue.
West Pharmaceutical Services (WST) stock was up more than 8% after the company posted higher Q2 adjusted earnings and net sales, and increased its 2026 guidance.
Quest Diagnostics (DGX) shares were up more than 7% after the company reported higher Q2 adjusted earnings and revenue, and raised its 2026 outlook.