11.   Still, demand from Wall Street securities firms trying to create new collateralized mortgage obligations may prevent yield spreads from widening much, say traders.

12.   Still, demand from Wall Street securities firms creating new collateralized mortgage obligations, custom-made mortgage bonds, may prevent yield spreads from widening much, say traders.

13.   That outlook prompted Johanson to buy the support classes of CMOs, or collateralized mortgage obligations.

14.   The Pennsylvania school districts and municipalities invested in collateralized mortgage obligations, or CMOs.

15.   The securities firm will then slice the conduit into bonds, known as collateralized mortgage obligations, custom-tailored for investors.

16.   The process is similar to collateralized mortgage obligations, or CMOs, where home loans from dozens of buyers are bundled and sold to investors.

17.   The securities are created by bundling ordinary mortgages and cutting the bundles into bonds called collateralized mortgage obligations, or CMOs.

18.   The value of derivatives such as collateralized mortgage obligations is based, or derived, from underlying bonds backed by mortgage payments.

19.   These securities included mortgage-backed securities known as CMOs, or collateralized mortgage obligations.

20.   They were sold collateralized mortgage obligations and now claim not to have understood the risks.