The 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 ...

The NASDAQ-100 is widely followed as a measure mainly of the big tech and social media stocks that make up the index.

View Vanguard S&P 500 Growth Index Fund ETF Shares (VOOG) current and estimated P/E ratio data provided by Seeking Alpha.

In today's Chart of the Day, Yahoo Finance anchor Madison Mills analyzes Deutsche Bank's latest assessment of the S&P 500 (^GSPC) CAPE ratio — or its Cyclically-Adjusted Price-to-Earnings Ratio ...