Groupon (GRPN) closed the most recent trading day at $16.68, moving +0.18% from the previous trading session. The stock fell short of the S&P 500, which registered a gain of 0.28% for the day. Elsewhere, the Dow gained 0.53%, while the tech-heavy Nasdaq added 0.4%.The the stock of online daily deal service has risen by 11.97% in the past month, leading the Retail-Wholesale sector's gain of 1.3% and the S&P 500's gain of 3.78%.Market participants will be closely following the financial results of Groupon in ...