Janet Yellen, chair of the U.S. Federal Reserve, speaks during a news conference following a Federal Open Market Committee (FOMC) meeting in Washington, D.C., U.S., on Wednesday, Sept. 21, 2016. "The sad fact is we are getting the healthy pace of job growth, without a healthy pace of output growth," which has led to downward shifts in U.S. central bank's projected rate path, Yellen said. Photographer: Pete Marovich/Bloomberg via Getty Images
