Under normal market conditions, the fund invests at least 80% of its net assets in the equity and debt securities of companies in the natural resources sector. It predominantly invests in equity securities. In addition to its investments in companies in the natural resources sector, the fund may also invest up to 20% of its net assets in equity or debt securities of any type of issuer. It may invest a significant portion of its assets in smaller capitalization companies, which are generally companies with market capitalizations of less than $2 billion at the time of the fund's investment.