The investment seeks total return. Under normal market conditions, the fund invests at least 80% of its assets in the securities of companies in that sector. The fund's managers consider the “natural resources sector” to include companies that own, produce, refine, process, transport, and market natural resources and companies that provide related equipment, infrastructure, and services. The fund manager seeks to achieve the fund’s investment objective by investing the fund’s assets primarily in equities of companies in the natural resources sector.