Health care stocks were declining pre-bell Wednesday, with the iShares Biotechnology ETF (IBB) 0.3% lower and The Health Care Select Sector SPDR Fund (XLV) down 0.2%.
United Therapeutics (UTHR) shares were more than 3% lower after the company reported Q4 net income that missed analysts' expectations.
Madrigal Pharmaceuticals (MDGL) stock was 5% higher after the company posted a narrower Q4 net loss.
Option Care Health (OPCH) shares were up over 1% after the company reported higher Q4 adjusted earnings and net revenue.