The stock price action of Vertex Pharmaceuticals Incorporated ( NASDAQ: VRTX ) continues to remain in an upward trajectory, finding itself in an upward channel. What we see in the weekly chart may actually be a bull flag formation if the price action for 2017 (flag-pole) and 2018 (flag consolidation) is to be considered in one piece. Therefore, things may be looking very good for this stock in the long term. An analysis of the performance of this stock in the medium term and long term is provided.