The fund ordinarily commits a minimum of 80% of its net assets, inclusive of any borrowed capital for investment, to a broad spectrum of fixed-income securities. This includes, but is not limited to, corporate bonds, government-issued notes and bonds, convertible instruments, commercial and residential mortgage-backed obligations, and zero-coupon bonds. It seeks corporate debt from issuers situated in various countries globally, with the option to include those located within the United States. Moreover, the portfolio retains the discretion to allocate up to 35% of its net assets to higher-yielding, higher-risk debt instruments.