Live feed08:00:00·1dPRReleasevia QuantisnowFederal Signal Reports First Quarter Results Including 35% Net Sales Growth, 52% Operating Income Improvement, and Strong Cash Generation; Raises Full-Year Outlook and Increases EBITDA Margin Targets for Safety and Security Systems GroupByQuantisnow·Wall Street's wire, on your screen.FSS· Federal Signal CorporationIndustrials