The investment seeks capital appreciation. The fund normally invests its assets primarily in U.S. and foreign equity securities, including emerging market equity securities. Equity securities include common stocks, equity interests in REITs, and other securities that represent an ownership interest in a company or other issuer. MFS normally invests the fund's assets across different industries, sectors, countries, and regions, but it may invest a significant percentage of the fund's assets in issuers in a single industry, sector, country, or region. MFS uses an active bottom-up investment approach to buying and selling investments for the fund.