The fund normally invests at least 80% of its total assets in securities that comprise the fund's benchmark index. The index is comprised of publicly traded companies engaged (derive greater than 50% of revenues from applicable sources) in the production and distribution of commodities and commodity-related products and services in the following sectors: 1) Agriculture; 2) Alternatives (Water & Alternative Energy); 3) Base and Industrial Metals; 4) Energy; 5) Forest Products; and 6) Precious Metals.