Strategy. The Fund invests in companies whose securities are listed on U.S. national securities exchanges, including through American Depositary Receipts (ADRs), which are U.S. dollar-denominated securities of foreign issuers listed on U.S. national securities exchanges. Investments consist primarily of common stocks. The Fund may also invest up to 25% of its total assets in securities of energy-related master limited partnerships (MLPs). As a non-principal investment strategy, the Fund may also invest in securities such as preferred stocks, warrants, equity-like instruments, and debt instruments. With respect to up to 10% of its total assets, the Fund may invest in high-yield debt securities, preferred shares, and convertible securities. The Fund invests without regard to market capitalization. Under normal circumstances, the Fund invests at … Show more… The Fund invests in companies whose securities are listed on U.S. national securities exchanges, including through American Depositary Receipts (ADRs), which are U.S. dollar-denominated securities of foreign issuers listed on U.S. national securities exchanges. Investments consist primarily of common stocks. The Fund may also invest up to 25% of its total assets in securities of energy-related master limited partnerships (MLPs). As a non-principal investment strategy, the Fund may also invest in securities such as preferred stocks, warrants, equity-like instruments, and debt instruments. With respect to up to 10% of its total assets, the Fund may invest in high-yield debt securities, preferred shares, and convertible securities. The Fund invests without regard to market capitalization. Under normal circumstances, the Fund invests at least 80% of its net assets in companies operating in the United States across the full spectrum of the energy supply/demand value chain, including traditional upstream, midstream, and downstream energy companies, as well as renewable energy companies and energy end users. The Portfolio Managers use a proprietary research and investment process that involves fundamental and quantitative analysis of various macroeconomic and commodity price and other factors to select the Funds investments and determine the weighting of each investment. The Portfolio Managers may sell all or a portion of a position of the Funds portfolio holding for a number of reasons, including (1) the issuers fundamentals deteriorating, (2) the parameters established for the securitys profits or losses being realized, or (3) the Fund requiring cash to meet redemption requests. Show less