Why RetailMeNot, Coupons.Com Are Pushing Groupon Lower By: Benzinga via Benzinga February 10, 2015 at 12:41 PM EST Groupon Inc (NASDAQ: GRPN) is trading lower alongside steep declines in RetailMeNot Inc (NASDAQ: SALE) and Coupons.Com Inc (NYSE: ... Read More >> Related Stocks: Groupon Cl A