The term Russell 3000E Index refers to a composite that includes large, mid, small, and micro-capitalization companies located in the United States. The Russell 3000E is published and maintained by FTSE Russell.
Also referred to as the Russel 3000 Extended, the Russell 3000E Index is designed to measure the performance of the large, mid, small, and micro capitalization companies in the United States equities market; it is an extended version of the Russell 3000. The index is a composite of roughly 3,600 securities with a median market capitalization value of $200 million. The index accounts for roughly 99% of the total equity market in the U.S.
First launched on June 1, 2005, the companies included in the index are selected based on float-adjusted market capitalization. On the last trading day of May, FSTE Russell ranks eligible companies based on their total market capitalization values. On the last Friday of June, the index is reconstituted. To be eligible for inclusion in a U.S. equity market index, the securities must trade on the NYSE, NYSE MKT, NASDAQ, or ARCA exchanges.