Pfenex Inc. In Development Pact For Macular Degeneration Drug By: Benzinga via Benzinga February 10, 2015 at 12:07 PM EST Pfenex Inc (NYSE: PFNX) shares gained more than 20 percent after the company disclosed its macular degeneration drug candidate will get ... Read More >> Related Stocks: Hospira Pfenex Inc Roche Holding AG Basel American Depositary Shares