Benzinga's Top Upgrades, Downgrades For September 5, 2017 By: Benzinga via Benzinga September 05, 2017 at 09:19 AM EDT Top Upgrades Argus upgraded Palo Alto Networks Inc (NYSE: PANW) from Hold to Buy. Palo Alto shares declined 1.12 percent to ... Read More >> Related Stocks: Alexion Pharmaceuticals Allison Transmission Holdings AvalonBay Communities CMS Energy Calumet Inc Carlisle Companies Inc Cummins Dowdupont Inc Energy Recovery Inc Liberty Media Formula One Sr A Ligand Pharm Lululemon Athletica Mack-Cali Realty Corp Nmi Holdings Inc Oracle Corp Palo Alto Networks Inc Rockwell Collins Skyworks Solutions Viacom Vmware Inc Walt Disney Yogaworks Inc Zealand Pharma A/S ADR