FireEye's New Helix Platform Is Encouraging By: Benzinga via Benzinga December 06, 2016 at 10:07 AM EST D.A. Davidson maintains its Buy rating on FireEye Inc (NASDAQ: FEYE), saying the company’s new Helix platform is encouraging, as ... Read More >> Related Stocks: Bio-Techne Corp Fireeye Inc Nuance Communicatns Symantec Corp