08:32 AM EST, 12/31/2024 (MT Newswires) -- Health care stocks were flat to higher premarket Tuesday as the iShares Biotechnology ETF (IBB) was inactive and the Health Care Select Sector SPDR Fund (XLV) was recently up 0.2%.

Sangamo Therapeutics ( SGMO ) shares fell past 55% after the company said it will regain full development and commercialization rights for giroctocogene fitelparvovec as Pfizer ( PFE ) decided to terminate the collaboration and licensing agreement for the prospective hemophilia A gene therapy.