In a blow to ratings agencies, a federal court in New Mexico has ruled that the First Amendment does not necessarily protect ratings services from lawsuits filed by disgruntled MBS investors. Judge James Browning ruled that the characteristics of MBS issued by Thornburg Mortgage and the way the ratings were disseminated may preempt free speech protection. The suit dates back to the spring of 2009, when plaintiffs that include the Genesee County Employees’ Retirement System, Midwest Operating Engineers Pension Trust Fund and the Maryland-National Capital Park &...