The most recent trading session ended with Groupon (GRPN) standing at $10.34, reflecting a +0.68% shift from the previouse trading day's closing. The stock fell short of the S&P 500, which registered a gain of 0.71% for the day. Elsewhere, the Dow saw an upswing of 1.03%, while the tech-heavy Nasdaq appreciated by 0.6%.The online daily deal service's shares have seen a decrease of 6.12% over the last month, not keeping up with the Retail-Wholesale sector's gain of 8.01% and the S&P 500's gain of 6.41%.Inves ...