In the current session, the stock is trading at $320.78, after a 0.90% spike. Over the past month, Lumentum Holdings Inc. (NASDAQ:LITE) stock increased by 66.29%, and in the past year, by 230.06%. 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.Lumentum Holdings P/E Ratio Analysis in Relation to Industry PeersThe P/E ratio measures the current share price to the company's EPS. It is ...