The investment seeks to track changes, whether positive or negative, in the level of the index over time, plus the excess, if any, of the sum of the fund’s Treasury Income, Money Market Income and T-Bill ETF Income over the expenses of the fund. The index is intended to reflect the change in value of the agriculture sector. The fund invests in futures contracts in an attempt to track its Index. It pursues its investment objective by investing in a portfolio of exchange-traded futures on commodities in the agriculture sector.