Groupon (GRPN) is one of the stocks most watched by Zacks.com visitors lately. So, it might be a good idea to review some of the factors that might affect the near-term performance of the stock.Over the past month, shares of this online daily deal service have returned +68.9%, compared to the Zacks S&P 500 composite's +5% change. During this period, the Zacks Internet - Commerce industry, which Groupon falls in, has gained 5.5%. The key question now is: What could be the stock's future direction?While media ...