In the current session, the stock is trading at $419.65, after a 0.13% increase. Over the past month, Vertex Pharmaceuticals Inc. (NASDAQ:VRTX) stock increased by 17.04%, and in the past year, by 43.26%. With performance like this, long-term shareholders are optimistic but others are more likely to look into the price-to-earnings ratio to see if the stock might be overvalued. Vertex Pharmaceuticals P/E Compared to CompetitorsThe P/E ratio is used by long-term shareholders to assess the company’s market performance against aggregate market data, historical earnings, and the industry at large. A…