SAN FRANCISCO/BRUSSELS (Reuters) – U.S. businesses from online coupon company RetailMeNot Inc (SALE.O) to security software company Symantec Corp (SYMC.O) said a European change to rules governing transatlantic personal data transfers would hurt U.S. companies and called for a quick fix. An EU court on Tuesday struck down a deal to let U.S. and European companies easily transfer personal data between continents, leaving some U.S. companies concerned that they will be frozen out of the market or replaced by EU competitors.