PRECIOUS-Gold prices firm on weaker dollar, equities

BENGALURU, June 28 (Reuters) - Gold prices firmed on Wednesday on lower equities and a weaker U.S. dollar after European Central Bank President Mario Draghi hinted the ECB could trim its stimulus this year. FUNDAMENTALS * Spot gold had risen 0.2 percent to $1,249.17 per ounce by 0049 GMT. * U.S. gold futures for August delivery climbed 0.2 percent to $1,249.40 per ounce. * The U.S. dollar slid to 10-month lows against the euro on Tuesday after the ECB'