Powell Industries (POWL) came out with quarterly earnings of $3.79 per share, beating the Zacks Consensus Estimate of $2.12 per share. This compares to earnings of $1.52 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 78.77%. A quarter ago, it was expected that this energy equipment company would post earnings of $1.89 per share when it actually produced earnings of $2.75, delivering a surprise of 45.50%.Over the last four qua ...