Fidelity National Information Services, Inc. (FIS) shares gained 5.5% since it reported first-quarter 2024 results on May 6, 2024. Upward revision in adjusted earnings per share (EPS) guidance, along with favorable EBITDA margin expansion, might have buoyed investor confidence in the stock. The first-quarter earnings benefited from strong recurring revenue growth in both the segments and strong new sales growth. However, negative professional services revenue growth in both segments and a less favorable rev ...