Qiagen (QGEN) came out with quarterly earnings of $0.46 per share, beating the Zacks Consensus Estimate of $0.44 per share. This compares to earnings of $0.53 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 4.55%. A quarter ago, it was expected that this diagnostic products maker would post earnings of $0.56 per share when it actually produced earnings of $0.55, delivering a surprise of -1.79%.Over the last four quarters, the ...