Generac Holdings (GNRC) came out with quarterly earnings of $2.80 per share, beating the Zacks Consensus Estimate of $2.50 per share. This compares to earnings of $2.07 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 12%. A quarter ago, it was expected that this generator maker would post earnings of $1.98 per share when it actually produced earnings of $2.25, delivering a surprise of 13.64%.Over the last four quarters, the co ...