McKesson (MCK) came out with quarterly earnings of $7.88 per share, beating the Zacks Consensus Estimate of $7.16 per share. This compares to earnings of $7.27 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 10.06%. A quarter ago, it was expected that this prescription drug distributor would post earnings of $6.34 per share when it actually produced earnings of $6.18, delivering a surprise of -2.52%.Over the last four quarters ...