S&P More Than Doubles Alt A Mortgage Bonds It May Cut

Looks to not be too large yet by net value (though that is unclear from the article), but "Issuers of the Alt A securities were trusts used by New York-based Bear Stearns Cos., the top underwriter of mortgage bonds; Charlotte, North Carolina-based Bank of America Corp., the largest U.S. bank by assets; and Calabasas, California-based Countrywide Financial Corp., the largest home lender."