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 2X daily leveraged exposure to the index, consistent with the fund's investment objective. The components of the index and the percentages represented by various sectors in the index may change over time. The fund is non-diversified.