The fund normally invests at least 80% of its net assets (plus any borrowings for investment purposes) in bonds. Bonds include, but are not limited to, corporate bonds, government notes and bonds, convertible bonds, commercial and residential mortgage-backed securities, and zero-coupon bonds. It invests in corporate debt securities of issuers in a number of different countries, which may include the United States. The fund may invest up to 35% of its net assets in high-yield/high-risk debt securities.