GLOBAL MARKETS-Asia stocks advance, dollar struggles on signs of more cautious Fed - Reuters

GLOBAL MARKETS-Asia stocks advance, dollar struggles on signs of more cautious Fed Reuters MSCI Asia-Pacific index up 0.75 pct, Nikkei gains 0.9 pct. * Dollar sags broadly following Powell's comments. * Short-term U.S. Treasury yield extends decline after Powell. * Graphic: World FX rates in 2018 tmsnrt.rs/2egbfVh. By Shinichi Saoshiro ...