The investment seeks the daily changes in percentage terms of its shares? per share net asset value (?NAV?) to reflect the daily changes in percentage terms of the SummerHaven Dynamic Commodity Index Total ReturnSM (the ?SDCI?), less USCI?s expenses. The fund seeks to achieve its investment objective by investing to the fullest extent possible in the Benchmark Component Futures Contracts. The SDCI is designed to reflect the performance of a diversified group of commodities.