The Treasury Department’s recent announcement on the next steps to “wind down” the government-sponsored enterprises will have little immediate impact on the non-agency market, according to industry analysts. The Treasury will require Fannie Mae and Freddie Mac to contribute all future profits to the government, reduce their investment portfolios at a quicker pace and submit annual plans to reduce mortgage credit risk. “[The changes] will help expedite the wind down of Fannie ... [Includes one chart]