Benzinga's Top Upgrades, Downgrades For September 28, 2017 By: Benzinga via Benzinga September 28, 2017 at 09:08 AM EDT Top Upgrades Goldman Sachs upgraded BlackRock, Inc. (NYSE: BLK) from Neutral to Buy. BlackRock shares rose 0.65 percent to ... Read More >> Related Stocks: Aarons Holdings Company Agrium, Inc. Archer-Daniels-Midland Arista Networks Inc AutoNation BlackRock Bunge Limited Dexcom Inc Diageo Plc ADR EOG Resources EnCana Corporation Endo Int'l Plc Estee Lauder Co Evertec Inc Himax Technologies ADR Huntsman Corp INVESCO Ltd Lear Corp Mallinckrodt plc McDonald's Corp Mediwound Ltd Ord Sh Mercantile Bank Corp Meritor Inc Oxford Immunotec Pier 1 Imports Potbelly Corp Redfin Corp T.Rowe Price Group Trivago NV ADR Vistra Energy Corp