GLOBAL MARKETS-World stock index hits record, bonds rise, fueled by Fed

* MSCI's ACWI hits all-time high, Wall Street slips * Treasury yields fall to two-week low on dovish Fed tone * Oil hits nine-month high above $115 on Iraqi tensions * Dollar sags after Fed lowers long-term rate outlook (Adds close of European bond, stock markets) By Herbert Lash NEW YORK, June 19 (Reuters) - A leading global stock index hit an all-time high and bond prices rose on Thursday a day after the Federal Reserve lowered its forecast for target U.S. interest rates