Deluxe Corporation announced its financial results for the fourth quarter ended Dec. 31, 2015. Key financial highlights include:   Revenue increased 3.3% year-over-year, to $463.5 million primarily due to the Small Business Services segment, which grew 3.3% to $303.7 million, as well as the Financial Services segment, which grew 7.3% to $120.3 million and included the results of Datamyx LLC, which was acquired in October 2015. Net income was $59.7 million, an increase of 2.9%. “Our team del...