证券信用评级机构是专门从事有价证券评级业务的机构，一般为独立的、非官方的机构。证券信用评级机构的出现与证券这一商品的特性有关，证券的特性就是收益与风险紧密相联，追求高收益必然要承担高风险；反之承担的风险较小。
大银行的电脑模式和信用评级机构极其严重地误估了这些靠按揭支撑的非公开证券。
Esoteric securities backed by these mortgages were grossly mis-valued by the computer models of big Banks and credit rating agencies.
规定银行及机构投资者可持有以及持有多少固定收益证券的法规条例依赖于相应证券的信用评级。
Rules governing the fixed income securities that banks and institutional investors can hold, and in what amounts, rely on credit ratings.
红杉信托请惠誉国际与穆迪这两大信用评级机构为这次证券发行评级，但是红杉对穆迪的评估采取了“雪藏”，因为它不认同穆迪对发行可能产生风险的评估。
Redwood asked both Fitch and Moody's to provide ratings for the issue, but canned Moody's because it disagreed with the agency's assessment of the risks involved in the issue.
应用推荐