Koppers (KOP) came out with quarterly earnings of $1.37 per share, beating the Zacks Consensus Estimate of $1.25 per share. This compares to earnings of $1.32 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 9.60%. A quarter ago, it was expected that this maker of chemicals, carbon compounds and wood treatment products would post earnings of $1.32 per share when it actually produced earnings of $1.36, delivering a surprise of 3 ...