LITTLE ROCK, Ark.--(BUSINESS WIRE)--Acxiom® (Nasdaq: ACXM), an enterprise data, analytics and software-as-a-service company, today announced financial results for its fourth quarter and full year ended March 31, 2015. Fourth Quarter Financial Highlights Total revenue was $257 million, down 4% compared to the fourth quarter of fiscal 2014 as a result of expected IT Infrastructure Management declines. Marketing and Data Services revenue was $206 million, down 2% compared to the fourth quarter of