2 Biotechs Battling Immune Diseases

2 Biotechs Battling Immune Diseases

Source: 
Motley Fool
snippet: 

On some levels, Rigel Pharmaceuticals (NASDAQ: RIGL) and Momenta Pharmaceuticals (NASDAQ: MNTA) are complete opposites. Rigel, based in South San Francisco, focuses on small molecule drugs while Momenta, headquartered in Cambridge, Massachusetts, tackles disease using large molecules called biologics.