The Federal Reserve’s Open Market Committee held its last meeting of the year this week, keeping the federal funds target rate steady and continuing to reinvest principal payments from its holdings of agency debt and MBS into agency MBS and rolling over maturing Treasury securities at auction. Most of the pre-meeting buzz among investors was whether the FOMC would tweak or replace its boilerplate language about waiting “a considerable time” before moving to end its zero interest rate policy and begin “normalizing” rates. It did...