The investment seeks daily investment results, of 300% of the performance of the S&P Oil & Gas Exploration & Production Select Industry Index. The index is provided by S&P and includes domestic companies from the oil and gas exploration and production sub-industry. The fund normally creates long positions by investing at least 80% of its assets in the securities that comprise the index and/or financial instruments that provide leveraged and unleveraged exposure to the index. These financial instruments include: swap agreements; options on securities and indices; reverse repurchase agreements; ETFs; and other financial instruments. It is non-diversified.