The bond is similar to the housing loans but the difference is that its collateral is low grade bonds instead of housing loans. It is backed by diversified pool of junk bonds.

与房产抵押贷款债券相似，所不同的是抵押品不是房产抵押贷款，而是评级较低的债券，由多个级别很差的债券组成。

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That time most of Bonds were available at per and were second grade 5 percent bond.

当时大多数债券可在每个和二级5%债券。

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Based on prices, the expected risk is low in Treasury securities and investment-grade bonds.

FORBES: The Portfolio Solutions 30-Year Market Forecast for 2012

That being said, we see the expected risk in Treasury securities and investment-grade bonds as low.

FORBES: Portfolio Solutions' 30-Year Market Forecast for Investment Planning (2013 edition)

That week, no investment-grade bonds were issued, for the first time (holidays aside) since 1981.

ECONOMIST: America��s bail-out plan