In the current session, the stock is trading at $222.42, after a 2.74% increase. Over the past month, Amazon.com Inc. (NASDAQ:AMZN) stock increased by 0.78%, and in the past year, by 20.42%. 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.Comparing Amazon.com P/E Against Its PeersThe P/E ratio is used by long-term shareholders to assess the company's market performance against aggreg ...