Knife River (KNF) came out with a quarterly loss of $0.84 per share versus the Zacks Consensus Estimate of a loss of $0.80. This compares to loss of $516.50 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of -5%. A quarter ago, it was expected that this construction materials company would post earnings of $0.20 per share when it actually produced earnings of $0.36, delivering a surprise of 80%.Over the last four quarters, the co ...