In the current session, the stock is trading at $84.55, after a 0.56% increase. Over the past month, Fortinet Inc. (NASDAQ:FTNT) stock increased by 10.41%, and in the past year, by 9.83%. 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.A Look at Fortinet P/E Relative to Its CompetitorsThe P/E ratio measures the current share price to the company's EPS. It is used by long-term investo ...