The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the MVIS® Global Rare Earth/Strategic Metals Index. The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. The index includes companies primarily engaged in a variety of activities that are related to the producing, refining and recycling of rare earth and strategic metals and minerals. It is non-diversified.