U.S. Federal Reserve Board chair Janet Yellen holds a news conference in Washington September 17, 2014.
Gary Cameron | Reuters
Federal Reserve Chair Janet Yellen did not comment on monetary policy or the economic outlook in remarks on Thursday prepared for a diversity conference at the central bank.
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Yellen was speaking one day after the Fed ended its monthly bond purchase program and dropped a characterization of U.S. labor market slack as "significant" in a show of confidence in the economy's prospects.