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Federal Reserve Chair Janet Yellen speaks during a press conference following the announcement of an historic rate increase, the first since 2006, in Washington, DC, December 16, 2015. The Federal Reserve announced Wednesday its first interest rate increase in more than nine years in a landmark move signaling the US has finally moved beyond the 2008 crisis. The Fed raised the benchmark federal funds rate, locked near zero since the Great Recession, by a quarter point to 0.25-0.50 percent, saying the economy is growing at a moderate pace and should accelerate next year.    AFP PHOTO / SAUL LOEBSAUL LOEB/AFP/Getty Images
Federal Reserve Chair Janet Yellen speaks during a press conference following the announcement of an historic rate increase, the first since 2006, in Washington, DC, December 16, 2015. The Federal Reserve announced Wednesday its first interest rate increase in more than nine years in a landmark move signaling the US has finally moved beyond the 2008 crisis. The Fed raised the benchmark federal funds rate, locked near zero since the Great Recession, by a quarter point to 0.25-0.50 percent, saying the economy is growing at a moderate pace and should accelerate next year.    AFP PHOTO / SAUL LOEBSAUL LOEB/AFP/Getty Images

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    Yellen: Confident economy will continue to strengthen

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Yellen: Confident economy will continue to strengthen

U.S. Federal Reserve Chair Janet Yellen spoke about why they've decided to raise interest rates for the first time since 2006.

Yellen: Confident economy will continue to strengthen

U.S. Federal Reserve Chair Janet Yellen spoke about why they've decided to raise interest rates for the first time since 2006.