GLOBAL MARKETS-Equities, dollar and oil gain asgold slips (Adds U.S. closing, late quotes and gold decrease ). * Wall Street trims earlier gains. * European equities close up 1 percent. * Dollar index ahead more than 1 percent. * Petroleum rises 3 to 4 pct as U.S. drilling slows. By Michael Connor. New York City … Learn more on Reuters …
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