08:59 AM EST, 02/04/2025 (MT Newswires) -- Health care stocks were declining premarket Tuesday, with The Health Care Select Sector SPDR Fund (XLV) down 0.3% and the iShares Biotechnology ETF (IBB) 0.1% lower.
Merck ( MRK ) shares were down more than 8% after the company issued 2025 guidance for non-GAAP earnings and sales trailing analyst expectations.