Stocks, dollar gain ahead of U.S.-China trade deal

NEW YORK (Reuters) - The dollar edged higher while a gauge of global equity markets rose on Monday, lifted by optimism over the planned signing this week of a U.S.-China trade deal and expectations the start of the U.S. corporate earnings season will not disappoint.Gold prices fell almost 1% ahead of the signing at the White House on Wednesday of the Phase 1 trade deal and as a de-escalation in U.S.-Iran tensions in the Middle East reduced bullion's safe-haven appeal.U.S. and euro zone..