MatlinPatterson writes off $450m investment in mortgage lender <a href="http://www.privateequityrealestate.net/Article.aspx?article=35269&hashID=612097438F7E69431A0B7219AF093B7041CC8DA5" rel="nofollow" target="_blank">http://www.privateequityrealestate.net/Article.aspx?article=35269&hashID=612097438F7E69431A0B7219AF093B7041CC8DA5</a>