With the jumbo MBS market slow to rebound, Redwood Trust has put an increased emphasis on agency mortgages, its commercial mortgage business and risk-sharing transactions with the government-sponsored enterprises. On the residential side, Redwood has continued to work on issuing jumbo MBS, but the real estate investment trust usually finds better execution in whole-loan sales. Redwood obtained approval as a seller to the GSEs at the end of 2013 and completed $4.0 billion in conforming mortgage correspondent business last year. During the fourth quarter, Redwood delivered...