Benzinga's Top Upgrades, Downgrades For March 7, 2017 By: Benzinga via Benzinga March 07, 2017 at 09:33 AM EST Top Upgrades Evercore ISI Group upgraded Targa Resources Corp (NYSE: TRGP) from In-Line to Outperform. Targa Resources shares ... Read More >> Related Stocks: Agrium, Inc. Ascena Retail Group Casey's General Stor Cloud Peak Energy Inc Coca Cola European Partners Diebold Nixdorf Incorporated Foundation Building Materials Inc Foundation Medicine Frontier Communications Hyatt Hotels Corp Leap Therapeutics Inc Oncobiologics Inc Pegasystems Inc Stericycle Sunopta Inc Targa Resources Teleflex Inc Valero Energy Partners LP Weatherford International Ltd