US Stock Market Indexes Intraday index prices calculated from real time market data Sector and Industry specific indexes 11 Market Sectors and 69 Industries 634 securities Market Capitalization Weighted within industry Shows Gains from various Periods for performance comparison: daily, weekly, monthly, 3-month, 6-month and 1 year. Detail information include daily volume, 52-week volume average, allocation percentage, earning and P/E of indexes.