Amphastar Pharmaceuticals (AMPH) came out with quarterly earnings of $0.94 per share, beating the Zacks Consensus Estimate of $0.78 per share. This compares to earnings of $0.65 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 20.51%. A quarter ago, it was expected that this specialty pharmaceutical company would post earnings of $0.77 per share when it actually produced earnings of $1.04, delivering a surprise of 35.06%.Over t ...