Online food ordering service GrubHub (GRUB) is nearing its IPO anniversary when the stock debuted at $40 a share. Shares dipped below $30, so the company has had its ups and downs. Rachel Shasha is a contributor for TheStreet and says technical analysis shows GrubHub is 'approaching a breakout that offers a good risk/reward buying opportunity.' Shasha is long September Call options in GRUB. Wall Street analysts are also on board with GrubHub with the median price target for the stock at $50 a share. GrubHub has literally been eating their competition by acquiring Restaurants on the Run and Seamless. But some are wondering if the real heat will come from giants like Amazon (AMZN) or Google (GOOG).