The Russell 3000 Index was 258.37 on September 20, 2021. Like the MSCI US Broad Market Index (USBMI), the Russell is a capitalization-weighted index of the performance of the 3000 largest companies traded in the US market. That is why it differs from the MSCI USBMI. The latter looks to broadly represent all the stocks in the US market while the Russell 3000 represents the largest 3000 by market capitalization. That makes the Russell a better indicator of the 3000 stocks that have the most investor interest.
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