Traders Cheer Groupon's $250 Million Investment Deal With Atarios By: Benzinga via Benzinga April 04, 2016 at 09:54 AM EDT Shares of Groupon Inc (NASDAQ: GRPN) gained more than 6 percent after Monday's market open following the announcement of a new ... Read More >> Related Stocks: Bio-Techne Corp Comcast Corp Groupon Cl A