In the current session, the stock is trading at $171.16, after a 0.36% increase. Over the past month, AMETEK Inc. (NYSE:AME) stock increased by 1.61%, and in the past year, by 15.10%. 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 AMETEK P/E Against Its PeersThe P/E ratio measures the current share price to the company’s EPS. It is used by long-term investors to analyze the company’s current performance against it’s past earnings, historical data and aggrega…