The investment seeks long-term capital appreciation. The fund invests mainly in common stocks of U.S. companies of any size, with a focus on companies whose products and services adviser believes provide solutions that directly contribute to sustainable social, environmental and economic development (Solutions Companies). The adviser considers, among other factors, a company's impact on sustainable environmental, social and economic development, valuation, financial strength, growth potential, competitive position in its industry, projected future earnings, cash flows and dividends when deciding whether to buy or sell investments.