During the same time frame high-yield bonds slumped 26% and bank loans fell 24%, while 5-year Treasuries gained 16%, according to our research (municipal bonds, another high-quality fixed income asset class, returned 9% over the same time span, as measured by the BarCap 5-year Municipal Bond Index).

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This represents the middle class getting richer, with incomes growing beyond the fixed income range, rather than a shrinking middle class.

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The BlackRock segment manages assets on behalf of institutional and individual investors worldwide through a variety of equity, fixed income, multi-asset class, alternative and cash management separate accounts and funds, including iShares.

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Not that you need to deprive yourself of yields if you want to get into fixed-income, an asset class as a whole that has flexed its muscles of late, but you would have had to take on some credit risk.

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In the mid 1990s, emerging market fixed income was still just a niche asset class, which was mainly traded by appointment.

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In Britain the perception that class is fairly fixed could become more damaging if income inequality continues to rise and social mobility to slow.

ECONOMIST: Class

Certain types of fixed income funds are required to only hold AAA rated debt, but US Treasurys are considered a separate asset class.

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In fact, any asset class with risk directly tied to developed economies has generally been forgotten in favor of hard assets or fixed income instruments with negative real rates but an abundance of safety.

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