Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International ...

1 Day COF 3.20% DJIA 1.05% S&P 500 1.03% Financial Services -0.38% The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by ...