That's result of the settlement over sour mortgage-back securities with federal housing finance administration.

这笔费用是为解决与美国联邦住房金融局在不良抵押担保证上的纠纷。

At the same time, credit ratings agencies were telling investors these mortgage backed-securities were safe investments.

与此同时，信用评级机构也在告诉投资者这些抵押贷款支持证是安全投资。

Investors gobbled these mortgage backed-securities up.

投资者们把这些抵押贷款支持证一空。

Mortgage backed-securities are created when large financial institutions securitize mortgages.

抵押贷款支持证是大型金融机构将抵押贷款证化时产的。

Mortgage bank securities became known as toxic assets, no one wanted to be anywhere near them.

抵押贷款银行的证被称为有毒资产，没人愿意接近。

The Fed says it will spend $40m a month buying mortgage backed securities. Here is Mark Gregory.

美联储称将每开支4000万美元买抵押贷款证。马克·格雷戈里报道。

The Fed also decided to begin reducing its holdings of Treasury securities, agency debt, and agency mortgage-backed securities.

美联储还决定开始减持国债、机构债务和机构抵押贷款支持证。

So, lenders did their best to help create more of them.

因此，贷款人尽其所能地帮助产更多的抵押贷款支持证。

And back when mortgages were only for borrowers with good credit, mortgage debt was a good investment.

当抵押贷款只适用于信用良好的借款人时，抵押贷款支持证是项不错的投资。

Anyway, investors were desperate to buy more and more and more of these securities.

不管怎么说，投资者都急于买越来越多的抵押贷款支持证。

But to create more of them, they needed more mortgages.

但为了产更多的抵押贷款支持证，他们需要更多的抵押贷款。

In the past investment-bank earnings were more tied to the economy, thanks to fat portfolios of assets like mortgage-backed securities.

过去，由于抵押贷款支持证等资产组丰厚，投资银行的收益更多地与经济挂钩。

They gave a lot of these mortgage backed-securities AAA Ratings, the best of the best.

他们给了很多抵押贷款支持证AAA评级，也就是最佳评级。

The savings-and-loan crisis of the 1980s contributed to the rise of mortgage-backed securities as the primary funding source for home loans.

20世纪80代的储蓄和贷款危机推动了抵押贷款证的兴起，成为住房贷款的主要资金来源。

The industry sprang up in the 1970s, first focusing on municipal debt and later branching out into structured products like mortgage securities.

这个行业在20世纪70代兴起，起初它们专注于市政债，然后拓展到结构性产品，比如抵押贷款证。

AIG had insured billions of dollars worth of shaking mortgage bag securities and was about to go bankrupted in September of 2008.

美国国际集团已确保数十亿美元足以动摇抵押贷款包中的证，并在20089破产。

It bought trillions of dollars of mortgage-backed securities and government bonds.

它买了数万亿美元的抵押贷款支持证和政府债。

The blow-up did not even require actual defaults in mortgage-backed securities.

爆炸甚至不需要抵押贷款支持证的实际违约。

Fannie and Freddie maintained a huge mortgage securities market.

房利美和房地美维持着庞大的抵押贷款证市场。

The Department of Justice accused them of defrauding investors by selling residential mortgage-backed securities deals.

司法部指控他们通过出售住宅抵押贷款支持证交易来欺骗投资者。