Groupon (GRPN) ended the recent trading session at $17.46, demonstrating a +1.04% swing from the preceding day's closing price. This move outpaced the S&P 500's daily loss of 0.51%. At the same time, the Dow added 0.2%, and the tech-heavy Nasdaq lost 0.93%.Shares of the online daily deal service have appreciated by 16.05% over the course of the past month, outperforming the Retail-Wholesale sector's loss of 2.37% and the S&P 500's loss of 0.26%.Analysts and investors alike will be keeping a close eye on the ...