Groupon (GRPN) closed the most recent trading day at $32.75, moving -3.39% from the previous trading session. This move lagged the S&P 500's daily loss of 0.4%. On the other hand, the Dow registered a loss of 0.98%, and the technology-centric Nasdaq increased by 0.18%. Shares of the online daily deal service witnessed a loss of 4.24% over the previous month, trailing the performance of the Retail-Wholesale sector with its gain of 4.14%, and the S&P 500's gain of 4.97%.Market participants will be closely fol ...