The investment seeks to provide investment returns that correspond, before fees and expenses, generally to the performance of the MSCI USA IMI Materials Index. Investing at least 80% of assets in securities included in the fund's underlying index. The fund's underlying index is the MSCI USA IMI Materials Index, which represents the performance of the materials sector in the U.S. equity market. It may or may not hold all of the securities in the MSCI USA IMI Materials Index. The fund is non-diversified.