The Basel III capital standards regime proposed last month by the Federal Reserve, the Office of the Comptroller of the Currency, and the Federal Deposit Insurance Corp. could give nonbank mortgage companies a boost at the expense of their bank competitors, according to analysts at Keefe Bruyette & Woods. “The downturn in the mortgage market wiped out most nonbank mortgage lenders, and most mortgage origination and servicing moved into the banking system. Since 2009, nonbanks have started to increase their presence in mortgage banking. We believe that Basel III could further...