GLOBAL MARKETS-Equities rise, dollar weakens on signals from Fed minutes

* Fed minutes suggest rates may not rise anytime soon * Bond prices fall after minutes suggest rate hike unlikely * Alcoa's results help boost sentiment, shares rise 3.8 percent * Brent oil rises toward $108 a barrel on Ukraine worries (Recasts with reaction to Fed minutes; adds oil settlement prices) By Herbert Lash NEW YORK, April 9 (Reuters) - Global equity markets advanced and the dollar retreated on Wednesday after minutes from the Federal Reserve's latest policy meet