In the current session, the stock is trading at $186.50, after a 0.39% increase. Over the past month, Howmet Aerospace Inc. HWM stock increased by 9.42%, and in the past year, by 98.85%. 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.How Does Howmet Aerospace P/E Compare to Other Companies?The P/E ratio measures the current share price to the company's EPS. It is used by long-term i ...