Moody’s Puts Ambac and MBIA on Review for Ratings Downgrade

U.S. bond insurers may lose their top credit ratings because of diminishing new business and financial inflexibility, Moody's said on Wednesday. The ratings agency put MBIA and Ambac, the two biggest bond insurers, on review for a possible downgrade. The two U.S.- based companies were founded to insure municipal bonds but became ...