Amgen (AMGN) came out with quarterly earnings of $5.58 per share, beating the Zacks Consensus Estimate of $5.11 per share. This compares to earnings of $4.96 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 9.20%. A quarter ago, it was expected that this world's largest biotech drugmaker would post earnings of $4.93 per share when it actually produced earnings of $4.97, delivering a surprise of 0.81%.Over the last four quarters ...