Benzinga's Top Upgrades, Downgrades For August 4, 2017 By: Benzinga via Benzinga August 04, 2017 at 09:37 AM EDT Top Upgrades Wells Fargo upgraded Kennametal Inc. (NYSE: KMT) from Market Perform to Outperform. Kennametal shares fell 5.14 ... Read More >> Related Stocks: 3D Systems Corp Activision Blizzard Amtech Systems Inc Arista Networks Inc Avis Budget Group Avon Products Boot Barn Holdings Inc Cognizant Technology Solutions Commscope Holding Company EFI Ezcorp Inc Fluor Corp Ford Motor Global Blood Ther Global Payments Inc Gopro Inc Cl A Hertz Global Holdings Inc International Business Machines Kellogg Co Kennametal Inc Sorrento Therapeutics Inc Synaptics Inc Teva Pharmaceutical Industries ADR Total System Services Treehouse Foods Viacom