The Russell 3000 Growth Index is a market capitalization-weighted index that measures the performance of the largest and most liquid U.S. stocks with higher price-to-book ratios and higher forecasted growth. It is a subset of the Russell 3000 Index, which is composed of the 3,000 largest U.S. stocks. The Russell 3000 Growth Index is designed to provide investors with a comprehensive and unbiased barometer for the U.S. large-cap growth segment of the equity market.