Redwood Trust boosted its net income in the first quarter of 2018 and continued to increase its originations of expanded-credit mortgages. The real estate investment trust is seeing strong demand for the loans in the secondary market and Redwood is set to issue its largest expanded-credit mortgage-backed security to date. Redwood had $46.9 million in net income in the quarter, up 51.4 percent from the fourth quarter of 2017 and up 26.7 percent from a year ago. The company sold ...