Groupon (GRPN) closed at $14.55 in the latest trading session, marking a +0.97% move from the prior day. The stock exceeded the S&P 500, which registered a gain of 0.1% for the day. At the same time, the Dow lost 0.08%, and the tech-heavy Nasdaq gained 0.28%.Shares of the online daily deal service witnessed a gain of 1.62% over the previous month, trailing the performance of the Retail-Wholesale sector with its gain of 3.31% and the S&P 500's gain of 4.08%.The investment community will be paying close atten ...