The fund invests, under normal circumstances, at least 80% of its net assets (plus any borrowings for investment purposes) in securities of U.S. issuers, and in derivatives and other instruments that have economic characteristics similar to such securities. It invests primarily in securities that are considered by the fund's portfolio managers to have potential for earnings or revenue growth. The fund may invest up to 20% of its net assets in securities of foreign issuers. It is non-diversified.