Genworth Financial reported improved first-quarter earnings, Mortgage Guaranty Insurance Co. made some progress on the litigation front while new entrant National Mortgage Insurance went through some highs and lows in the same week. It’s not every day a private MI gets to report a net profit, but Genworth’s U.S. mortgage operation posted $21 million in operating income during the first quarter, following a $32 million loss in the previous quarter. It was the first time in five years that the MI unit reported a profitable quarter. First-quarter results included a $4.5 million charge related to the settlement with the Consumer Financial Protection Bureau announced on April 4. Genworth’s MI losses were...