GLOBAL MARKETS-Dollar, shares gain on Yellen speech, U.S. GDP
GLOBAL MARKETS-Dollar, shares gain on Yellen speech, U.S. GDP
NEW YORK, Sept 25 (Reuters) - World equity markets and the dollar advanced on Friday to end a rocky week on an upbeat **te after Federal Reserve Chair Janet Yellen said the Fed was on track to raise interest rates this year, and as U.S. eco**mic growth was revised upward again.