Fed's Yellen sees stronger case for interest rate hike

The Federal Reserve is getting closer to raising interest rates again, the head of the U.S. central bankand other policymakers said on Friday in comments that left the door open for a hike as early as next month. Fed Chair Janet Yellen told a global monetary policy conference that the case for a rate increase had grown stronger, while Fed Vice Chair Stanley Fischer suggested a move could come at the central bank’s September policy meeting if the economy was doing well.