Strategy. American Century Investment Management, Inc. (the Sub-Adviser) serves as the Funds sub-adviser. The Sub-Adviser is responsible for the day-to-day management of the Funds assets. In selecting stocks for the Fund, the Sub-Adviser uses quantitative and qualitative management techniques in a multi-step process. These stocks are primarily common stock but may also include preferred stock or other types of stocks. The Sub-Adviser evaluates stocks, primarily large capitalization, publicly traded U.S. companies based on an objective set of measures, including valuation, quality, growth, and sentiment. The Sub-Adviser then reviews the output of the quantitative model and also considers other factors, such as economic events, corporate announcements, risk management, transaction costs, and liquidity, to build a portfolio that it believes will provide a … Show more… American Century Investment Management, Inc. (the Sub-Adviser) serves as the Funds sub-adviser. The Sub-Adviser is responsible for the day-to-day management of the Funds assets. In selecting stocks for the Fund, the Sub-Adviser uses quantitative and qualitative management techniques in a multi-step process. These stocks are primarily common stock but may also include preferred stock or other types of stocks. The Sub-Adviser evaluates stocks, primarily large capitalization, publicly traded U.S. companies based on an objective set of measures, including valuation, quality, growth, and sentiment. The Sub-Adviser then reviews the output of the quantitative model and also considers other factors, such as economic events, corporate announcements, risk management, transaction costs, and liquidity, to build a portfolio that it believes will provide a balance between risk and return. It also attempts to create a dividend yield that will be greater than that of the S&P 500 Index. The Sub-Adviser generally sells a stock when it believes the stock has become less attractive relative to other opportunities, the stocks risk characteristics outweigh its return opportunity or specific events alter its prospects. Show less