08:59 AM EDT, 05/15/2025 (MT Newswires) -- Health care stocks were mixed pre-bell Thursday as the Health Care Select Sector SPDR Fund (XLV) was 0.01% lower and the iShares Biotechnology ETF (IBB) recently advanced 0.5%.

UnitedHealth Group ( UNH ) is facing a criminal investigation by the US Department of Justice over possible Medicare fraud tied to its Medicare Advantage operations, The Wall Street Journal reported, citing people familiar with the matter. Shares of UnitedHealth Group ( UNH ) fell nearly 7% premarket.