Seeks to achieve its investment policy by investing primarily in a diversified portfolio of investment grade bonds. Portfolio will include corporate bonds, U.S. government and agency securities and mortgage-related securities. At least 75% of its total assets will be invested in investment grade bonds. Up to 25% of its total assets may be invested in bonds that at the time investment are rated Ba/BB or below. Up to 10% of its total assets may be invested in bonds issued in foreign currencies.