Wall Street slips on Yellen's rate hike comments

Wall Street edged lower on Tuesday after Federal Reserve Chair Janet Yellen said the central bank will likely need to raise interest rates at an upcoming meeting, but expressed uncertainty over economic policy under the Trump administration. While President Donald Trump's pro-business stance sparked a record-setting rally in equities, he has given scant detail on his policies, giving the Fed limited visibility on the direction of the economy. "It is too early to know what policy changes will be