By Chris Prentice and Tommy Wilkes WASHINGTON/LONDON (Reuters) -Wall Street rose in choppy trade on Wednesday on a boost from strong earnings reports from Microsoft and Visa, as commodity stocks kept European shares buoyant. The euro dropped to its weakest since 2017 after Russia halted gas supplies to Bulgaria and Poland and investors worried more about the region’s economy. The dollar continued its surge, on course for its biggest monthly gain since January 2015 as expectations mounted that the Federal Reserve will hike interest rates aggressively in coming months and the U.S. economy will b…