Garmin (GRMN) came out with quarterly earnings of $1.42 per share, beating the Zacks Consensus Estimate of $1 per share. This compares to earnings of $1.02 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 42%. A quarter ago, it was expected that this maker of personal navigation devices would post earnings of $1.40 per share when it actually produced earnings of $1.72, delivering a surprise of 22.86%.Over the last four quarters ...