Wall St. falls as Fed highlights weak global economy

Wall Street was lower in afternoon trading on Friday as the Federal Reserve's decision to keep interest rates near zero fueled concerns about global growth, muddying the outlook for stocks. Apart from the state of the world economy, the Fed cited financial market volatility and sluggish inflation at home in its decision on Thursday, while leaving the door open for a modest policy tightening later this year. The Fed's decision suggested a global economic environment that is unlikely to foster the