Standard & Poor’s Ratings Services downgraded credit ratings of five U.S. mortgage insurers on Tuesday as losses of these mortgage insurers were bigger than S&P’s expectations. The rating agency also expects that unemployment will continue to rise through the second quarter of 2010 and this will further weigh on the mortgage insurers. Currently, the outlook [...] (ORI) Standard & Poor’s Ratings Services Downgrades 5 Mortgage Insurers