The investment seeks investment results that correspond generally to the price and yield (before the fund's fees and expenses) of the Nasdaq US Smart Oil & Gas Index. The fund will normally invest at least 90% of its net assets (including investment borrowings) in the common stocks and depository receipts that comprise the index. The index is designed to provide exposure to U.S. companies comprising the oil and gas sector that have been selected based upon their liquidity and weighted based upon their cumulative score on three investing factors: volatility, value and growth. It is non-diversified.