This fund primarily allocates its capital to equity securities across the globe, encompassing companies in both U.S. and international developed markets, as well as those in emerging economies. These equities typically consist of common stocks and other financial instruments that signify a direct or potential ownership interest in a business or issuer. The investment strategy employed by MFS, the fund's adviser, concentrates on identifying and investing in businesses that are believed to possess superior earnings growth prospects when compared to other companies, a characteristic often defining "growth companies."