Teekay Tankers (TNK) came out with quarterly earnings of $1.83 per share, missing the Zacks Consensus Estimate of $1.90 per share. This compares to earnings of $2.21 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of -3.68%. A quarter ago, it was expected that this oil and gas shipping company would post earnings of $3.24 per share when it actually produced earnings of $3.08, delivering a surprise of -4.94%.Over the last four qua ...