In the current session, Amgen Inc. (NASDAQ:AMGN) is trading at $291.80, after a 0.07% drop. Over the past month, the stock fell by 2.04%, and in the past year, by 7.92%. With performance like this, long-term shareholders are more likely to start looking into the company's price-to-earnings ratio. Amgen 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 lower P/E ...