But in recent months, many have called for investors to return to bonds as prices are expected to recover soon. Falling yields may prompt investors to wonder which corners of the fixed income market still offer higher yields of up to 6%. He prefers developed market bonds — especially the U.S. — to emerging market bonds, of longer durations exceeding seven years. Emerging market debt can also offer high yield because of the very high real rates in many such economies, Olu-Pitan says, with Latin America debt offering "easily" above 7%. In investment-grade bonds, investors can get above 6% in U.S. financials, she added.

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Persons: Brandon Huang, Huang, financials, Remi Olu, Fannie Mae, Freddie Mac, — CNBC's Michael Bloom Organizations: Treasury, LGT Private Banking Asia, CNBC Pro, Agency MBS, U.S ., MBS Locations: U.S, Australia