The investment seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the MVIS® Global Unconventional Oil & Gas Index. The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. The index contains companies that generate at least 50% of their revenues from unconventional oil and gas or that have properties with the potential to generate at least 50% of their revenues from unconventional oil and gas. The fund is non-diversified.