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 / Updated  / Source: CNBC.com

Stocks ended mixed on Friday after Federal Reserve Chairman Ben Bernanke said the U.S. economy should continue to improve and reiterated the Fed's commitment to keeping interest rates low.

The Dow Jones Industrial Average, which fell 133 points on Thursday, moved up to finish 28 points higher.

The S&P 500 was little changed, but Nasdaq lost 11 points.

The decision to cut to $75 billion the Fed's monthly bond buys did not signal any reduction in the central bank's commitment to "maintain a highly accommodative monetary policy for as long as needed," Bernanke told a gathering in Philadelphia. His eight-year tenure at the Fed ends at the end of January.