Benzinga's Top Upgrades By: Benzinga via Benzinga July 18, 2016 at 09:06 AM EDT Analysts at Piper Jaffray upgraded Groupon Inc (NASDAQ: GRPN) from Neutral to Overweight. The price target for Groupon ... Read More >> Related Stocks: Antero Resources Corp Carrizo Oil & Gas Coach Forum Energy Technologies Inc Genesis Energy LP Groupon Cl A Humana Teva Pharmaceutical Industries ADR Toll Brothers Inc Transocean Ltd