Federal Signal (FSS) came out with quarterly earnings of $0.88 per share, beating the Zacks Consensus Estimate of $0.82 per share. This compares to earnings of $0.71 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 7.32%. 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 $0.84 per s ...