Prothena Corporation plc (PRTA) and Rigel Pharmaceuticals Inc. (NASDAQ:RIGL) Comparison side by side. – EN Digest

Prothena Corporation plc (PRTA) and Rigel Pharmaceuticals Inc. (NASDAQ:RIGL) Comparison side by side.  EN Digest

Both Prothena Corporation plc (NASDAQ:PRTA) and Rigel Pharmaceuticals Inc. (NASDAQ:RIGL) are Biotechnology companies, competing one another.