Ally Financial negotiated an $8.7 billion settlement with investors in non-agency MBS issued by Residential Capital before putting the company, one of the pioneers in the securitization of jumbo, Alt A and subprime mortgages, into bankruptcy. Long before ResCap’s bankruptcy filing early this week, trustees for outstanding non-agency MBS had already been instructed by 17 investors to sue Ally Financial for compensation over alleged violations of ResCap representations and warranties. The deal was reached shortly before the filings, according to a source close to the matter. Ally said that some 290 MBS trusts...