To achieve objective the fund will invest at least 80 percent of the Fund's net assets in a portfolio of fixed income securities of any credit quality. Fixed income securities in which the Fund principally invests include securities issued or guaranteed by the U.S. government or its agencies, instrumentalities or sponsored corporations; inflation protected public obligations of the U.S. Treasury; agency and non-agency residential mortgage-backed securities; agency and non-agency commercial mortgage-backed securities; agency and non-agency asset-backed securities; domestic corporate bonds; fixed income securities issued by foreign corporations and foreign governments including emerging markets; bank loans primarily senior loans, including loan participations or assignments whose loan syndication exceeds dollar 300 million; municipal bonds; and other securities such as perpetual bonds bearing fixed interest rates of any maturity.