Real estate investment trusts working to build their jumbo mortgage-backed security operations note that while the environment is currently challenging, they are optimistic about the long term. “What we’re trying to do is have an originator network in place so that we can take advantage of the opportunities,” said Bill Roth, CIO of Two Harbors Investment. “And it may not be in prime jumbo in the short run.” The REIT issued a $434.17 million jumbo MBS in August, its first. Two Harbors said it ...