The investment seeks daily investment results, before fees and expenses, of 300% of the inverse of the daily performance of the Communication Services Select Sector Index. The fund normally invests in swap agreements, futures contracts, short positions or other financial instruments that, in combination, provide inverse or short leveraged exposure to the index equal to at least 80% of the fund's net assets. The index includes domestic companies from the communication services sector, which includes the following industries: diversified telecommunications services, wireless communication services, media, entertainment, and etc. The fund is non-diversified.