The index consists of the top five securities in the index, which includes U.S.-listed companies in the energy sector as classified by the GICS. The fund, under normal circumstances, invests at least 80% of its net assets 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 fund is non-diversif...