The investment seeks to track the investment results (before fees and expenses) of the Russell 1000® Equal Weight Index (the underlying index). The fund generally will invest at least 90% of its total assets in the securities that comprise the underlying index. The underlying index is comprised of all of the securities in the Russell 1000 ® Index, which is designed to measure the performance of the large-cap segment of the U.S. equity market and consists of the stocks of the largest 1,000 U.S. companies by market capitalization.