The investment seeks to track the investment results of the Dow Jones U.S. Select Aerospace & Defense Index composed of U.S. equities in the aerospace and defense 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. The underlying index measures the performance of the aerospace and defense sector of the U.S. equity market. Aerospace companies in the index include manufacturers, assemblers and distributors of aircraft and aircraft parts. The fund is non-diversified.