Federal Signal (FSS) came out with quarterly earnings of $0.64 per share, beating the Zacks Consensus Estimate of $0.55 per share. This compares to earnings of $0.46 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 16.36%. A quarter ago, it was expected that this company that makes products ranging from street sweepers to toll booth technology for government, industrial and commercial customers would post earnings of $0.67 per ...