Benzinga's Top Upgrades, Downgrades For December 8, 2017 By: Benzinga via Benzinga December 08, 2017 at 09:07 AM EST Top Upgrades Argus upgraded Perrigo Company PLC (NYSE: PRGO) from Hold to Buy. Perrigo shares rose 0.93 percent to $83.64 ... Read More >> Related Stocks: American Homes 4 Rent Ball Corp Boston Scientific Checkpoint Therapeutics Inc Ciena Corp Css Industries D.R.Horton Dentsply Sirona Inc Enpro Inc Flowserve Corp Godaddy Inc Ingersoll-Rand Plc Johnson Controls Intl LA Jolla Pharma Lendingclub Corp Meritor Inc Novanta Inc Perrigo QEP Resources Repligen Corp Silgan Holdings Thor Industries Trivago NV ADR U.S. Silica Holdings Inc