Costco (COST) came out with quarterly earnings of $4.34 per share, beating the Zacks Consensus Estimate of$4.26 per share. This compares to earnings of $3.82 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of +1.88$5.81 per share when it actually produced earnings of $5.87, delivering a surprise of +1.03%.Over the last four quarters, the c ...