Market-capitalization weighted equity index of US firms, which is published by Frank Russell. The index measures the performance of 1,000 largest firms in the Russell 3,000 index representing 90 percent of the equity market.

Related information about Russell 1000 index:

1. Russell 1000 Index - U.S. Large Cap Index | Russell Investments
   The Russell 1000 Index offers investors access to the extensive large-cap segment of the U.S. equity universe, representing approximately 90% of the U.S. ...
    
2. Russell 1000 Index - Wikipedia, the free encyclopedia
   The Russell 1000 Index is a stock market index that represents the highest- ranking 1,000 stocks in the Russell 3000 Index, which represents about 90% of the ...
    
3. RIY Quote - Russell 1000 Index - Bloomberg
   Index performance for Russell 1000 Index (RIY) including value, chart, profile & other market data.
    
4. Russell 1000 Index Definition | Investopedia
   An index of approximately 1000 of the largest companies in the U.S. equity markets, the Russell 1000 is a subset of the Russell 3000 Index. The Russell 1000 ...
    
5. iShares Russell 1000 Index Fund (IWB): Overview - iShares
   May 15, 2000 ... The iShares Russell 1000 Index Fund seeks investment results that correspond generally to the price and yield performance, before fees and ...
    
6. iShares Russell 1000 Value Index Fund (IWD): Overview - iShares
   May 22, 2000... by the Russell 1000 Value Index. The index represents approximately 50% of the total market capitalization of the Russell 1000 Index.
    
7. IWB: Summary for iShares Russell 1000- Yahoo! Finance
   iShares Russell 1000 Index (IWB). -NYSEArca. 78.76 Up 0.01(0.01%) 4:00PM EST|After Hours : 78.79 Up 0.03 (0.03%) 4:20PM EST - Nasdaq Real Time Price ...
    
8. ^RUI: Summary for Russell 1000- Yahoo! Finance
   View the basic ^RUI stock chart on Yahoo! Finance. Change the date range, chart type and compare Russell 1000 against other companies.