The term Russell Top 200 Index refers to a composite that includes large cap companies located in the United States. The Russell Top 200 is published and maintained by FTSE Russell.
The Russell Top 200 Index is designed to measure the performance of the large capitalization companies in the United States equities market. The index is a composite of roughly 200 securities issued by the largest companies in the U.S. in terms of market capitalization. At the time of writing, there were 201 stocks in the index with a market capitalization range that spanned from $25 billion to nearly $550 billion, and accounted for approximately 65% of the total capitalization of the U.S. equities market.
First launched on September 1, 1992, 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. The performance of this index can be monitored via the stock ticker symbol RT200.