The weak market for jumbo mortgage-backed securities has prompted Redwood Trust to look into other activities beyond a focus on jumbo mortgages. The real estate investment trust started aggregating agency mortgages in October. Martin Hughes, Redwood’s CEO, said the conforming-mortgage activity allows Redwood to create mortgage-servicing rights to hold as investments and potentially participate in risk-sharing activities with the GSEs at the originator level. “This market opportunity is many times ...