The fund, under normal circumstances, invests at least 80% of its net assets (plus borrowing for investment purposes) in financial instruments, such as swap agreements, securities of the index, and exchange-traded funds ("ETFs") that track the index, that, in combination, provide 3X daily leveraged exposure to the index, consistent with its investment objective. The index measures the performance of 400 mid-sized companies in the United States. The fund is non-diversified.