Ambac Financial Group (NYSE:AMBC) reported quarterly losses of $(0.46) per share which missed the analyst consensus estimate of $0.08 by 675 percent. The company reported quarterly sales of $114.000 million which beat the analyst consensus estimate of $75.880 million by 50.24 percent. This is a 54.05 percent increase over sales of $74.000 million the same period last year.