GLOBAL MARKETS-Dollar jumps on Europe woes, data; stocks, commods fall

* Dollar rallies across the board, DXY up the most in near years * Copper, silver, gold slide under USD pressure * Crude prices fall more than 2 pct (Updates to U.S. market close) By Rodrigo Campos NEW YORK, May 26 (Reuters) - The U.S. dollar rallied on Tuesday after a string of healthy economic data boosted near-term rate hike prospects, while Greece's financial crisis and signs of growing opposition to austerity in Spain weighed further on the euro. Stocks and commodities