GLOBAL MARKETS-Oil, euro drop on ECB growth outlook for Europe

* ECB predicts euro zone weakness, hitting euro, oil prices * U.S. stocks rise as investors keep eye on 'fiscal cliff' talks * U.S. bond market supported by Fed purchase of Treasuries * Europe's FTSEurofirst 300 index up 0.7 pct to 18-month high By Herbert Lash NEW YORK, Dec 6 (Reuters) - Oil prices slipped and the euro fell the most in a month on Thursday after the European Central Bank said growth in the euro zone is likely to shrink next year, sparking speculation of an interest rate cut. But global shares edged higher, with U.S. stocks advancing modestly as investors watched for signs of progress in the "fiscal cliff" talks and Apple's stock rebounded a day after its worst one-day...