Lender-related underwriting and disclosure issues have prompted a significant increase in liability for non-agency mortgage-backed security issuers, based on a court ruling last week. The U.S. Court of Appeals for the Second Circuit found that liability extends beyond trusts specifically purchased by investors to potentially all trusts in an issuer’s shelf with mortgages originated by the same lenders. “Investors may now seek to intervene to broaden classes in MBS class actions that don’t explicitly ...