Principal reductions hold the potential for a positive impact on the mortgage market by preventing some foreclosures, but residential MBS investors stand to lose from an improperly implemented, wide-ranging loan modification effort, according to Fitch Ratings. The mandated principal reduction provisions in the recent $25 billion settlement involving state attorneys general, the federal government and the five largest mortgage servicers appear to be a sensible approach as loan modifications with principal reductions have performed better than other types of mods, but Fitch noted the benefit comes with a...