Yellen: Fed stimulus still needed for job market

Charlotte Observer:  NEW YORK Federal Reserve Chair Janet Yellen said Wednesday that the U.S. job market still needs help from the Fed and that the central bank must remain intent on adjusting its policy to respond to unforeseen challenges.

In her first major speech on Fed policy, Yellen sought to explain the Fed's shifting guidance on its interest-rate policy, which at times has confused or jarred investors. She said the Fed's policies "must respond to significant unexpected twist and turns the economy may make."

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