Mortgage rates were little changed Tuesday in quiet trading. In economic news, the December Trade Balance declined to $44.3 billion, a bit below expectations. The Job Openings and Labor Turnover Survey, or JOLTS, indicated there were 5.50 million job openings in the U.S. as of 12/31/16, a slight decline from November. Results from today’s 3-year Treasury auction will be released at 1:00 PM.