Strategy. In pursuing its investment objective, the Portfolio normally invests at least 80% of its assets (net assets plus any borrowings made for investment purposes) in equity securities. Equity securities include common stocks, preferred stocks, securities convertible into stocks, and depositary receipts for those securities. The Portfolio may invest its assets in US and foreign securities, including emerging market securities. The Portfolio normally invests its assets across different industries, sectors, countries and regions, but the Portfolio may at times invest a large percentage of its assets in issuers in a single industry, sector, country or region (but in no less than three countries). While the Portfolio may invest its assets in securities of companies of any size, it primarily invests in … Show more… In pursuing its investment objective, the Portfolio normally invests at least 80% of its assets (net assets plus any borrowings made for investment purposes) in equity securities. Equity securities include common stocks, preferred stocks, securities convertible into stocks, and depositary receipts for those securities. The Portfolio may invest its assets in US and foreign securities, including emerging market securities. The Portfolio normally invests its assets across different industries, sectors, countries and regions, but the Portfolio may at times invest a large percentage of its assets in issuers in a single industry, sector, country or region (but in no less than three countries). While the Portfolio may invest its assets in securities of companies of any size, it primarily invests in securities of companies with large capitalizations. In selecting investments for the Portfolio, the subadviser, Massachusetts Financial Services Company, is not constrained by any particular investment style. The Portfolio invests its assets in the stocks of companies the subadviser believes to have above average earnings growth potential compared to other companies (growth companies), in the stocks of companies it believes are undervalued compared to their perceived worth (value companies), or in a combination of growth and value companies. The Portfolio uses an active bottom-up investment approach to buying and selling its investments. Investments are selected primarily based on fundamental analysis of individual issuers and their potential in light of their financial condition, and market, economic, political, and regulatory conditions. Factors considered may include analysis of an issuer's earnings, cash flows, competitive position, and management ability. Quantitative screening tools that systematically evaluate an issuer's valuation, price and earnings momentum, earnings quality, and other factors, may also be considered. Show less