Chimera Investment, JPMorgan Chase and Redwood Trust plan to issue new prime non-agency mortgage-backed securities in the coming weeks, adding to momentum in a market where most issuers are optimistic about production volume. The planned CIM Trust 2018-J1 would mark a return to the jumbo MBS market for Chimera. The real estate investment trust has focused its issuance efforts on seasoned mortgages in recent years after dabbling in jumbo MBS around 2012 ...