Under normal circumstances, MGNR invests at least 80% of its net assets (plus the amount of any borrowings for investment purposes) in equity securities of companies primarily engaged in natural resources and natural resources-related businesses. The Fund considers companies primarily engaged in natural resources and natural resources-related businesses to be those with a majority of assets, revenues or earnings, directly or indirectly through subsidiaries, from owning, producing, refining, processing, transporting, distributing, mining, exploring, storing, or otherwise handling natural resources, or from activities that directly rely on or support natural resources, such as producing food, delivering utilities, selling machines for natural resources uses, and deriving materials such as fertilizer, glass, paper and plastic.