To pursue its goal, the fund normally invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities of small-cap and mid-cap U.S. companies. The adviser currently considers small-cap and mid-cap companies to be those with total market capitalizations that are equal to or less than the total market capitalization of the largest company included in the Russell 2500™ Growth Index (the index), the fund's benchmark index.