The investment seeks to provide long-term capital growth. The fund will normally invest at least 80% of its net assets (including any borrowings for investment purposes) in a broadly diversified portfolio of common stocks of mid-cap growth companies. T. Rowe Price expects the earnings of these companies to grow at a faster rate than the average company. The managers define mid-cap companies as those whose market capitalization falls within the range of either the S&P MidCap 400 Index or the Russell Midcap Growth Index.