U.S. stocks ended lower today, hurt by a sell-off in energy names. Here are the major market statistics for the New York and Nasdaq Stock Exchanges, volatility indexes, the U.S. dollar, and commodities for Friday, July 31, 2015. To read more about the big drivers and stock stories behind today's trading, check out Schaeffer's Market Recap: Crude, Gold End Worst Month In Years; Energy Drags On Dow Jones Industrial Average.
