Here's a link from Reuters:
Reuters
$this->bbcode_second_pass_quote('', ' ')By Al Yoon
NEW YORK, Aug 10 (Reuters) - Banks reaching for the Federal Reserve's liquidity lifeline Friday offered only "agency" mortgage-backed securities as collateral, reflecting what could be increasing disfavor for these investments.
In its biggest such move by the Fed since the days after Sept. 11, 2001, the central bank on Friday pumped $38 billion in cash into the banking system via three-day loans known as repurchase agreements or repos.
As guarantee for repayment, banks could have also offered as collateral U.S. Treasuries or corporate agency debt of thegovernment-chartered housing finance companies Fannie Mae and Freddie Mac.
But they nixed those options, offering just mortgage-backed securities issued by Freddie Mac, Fannie Mae and government-owned Ginnie Mae.
"The mortgage market is going through a repricing and it has a lot of uncertainty, so people feel more comfortable" loaning MBS for repos, said James Swanson, chief investment strategist at MFS Investment Management in Boston.
Investors prefer to hold the "pure," or "more quantifiable" Treasury and corporate agency debt.
The agency MBS market -- comprised of guaranteed securities created with loans by Fannie Mae, Freddie Mac and Ginnie Mae -- is about $3.5 trillion, almost as big as the entire stock of U.S. Treasury debt, which is about $4.4 trillion. Agency MBS are backed by mostly "prime" loans, and because they are guaranteed do not carry much credit risk as subprime mortgages. ...





