The fund may invest in any company whose securities are listed on a U.S. national securities exchange, including through ADRs, which are U.S. dollar-denominated securities of foreign issuers listed on U.S. national securities exchanges. The fund invests in growth-oriented common stocks by utilizing a quantitative formula known as the Cornerstone Growth Strategy. It purchases these 50 stocks weighted equally by dollar amount, with 2% of the portfolio's assets invested in each. Using the Growth Strategy, the universe of stocks is re-screened and the portfolio is rebalanced annually, generally in the winter.