Investors in non-agency MBS raised concerns about principal forgiveness required by the $25 billion national servicing settlement agreed to earlier this year by five banks. While most of the banks claimed they would focus the efforts on their own portfolio holdings, MBS investor concerns appeared to have been realized as Bank of America said about half of the principal it has forgiven was tied to mortgages in non-agency MBS. However, Shaun Donovan, secretary of the Department of Housing and Urban Development, noted this week that investors in Bank of Americas non-agency MBS agreed to allow principal reductions on their holdings. We knew from the beginning, that because Bank of America had...