Duke Energy (DUK) came out with quarterly earnings of $1.44 per share, beating the Zacks Consensus Estimate of $1.39 per share. This compares to earnings of $1.20 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 3.60%. A quarter ago, it was expected that this electric utility would post earnings of $1.54 per share when it actually produced earnings of $1.51, delivering a surprise of -1.95%.Over the last four quarters, the compa ...