The investment seeks to track the investment results of an index composed of U.S. equities in the energy sector. The fund generally invests at least 90% of its assets in securities of the underlying index and in depositary receipts representing securities of the underlying index. It seeks to track the investment results of the Dow Jones U.S. Oil & Gas Index (the "underlying index"), which measures the performance of the oil and gas sector of the U.S. equity market. The fund is non-diversified.