Ecolab (ECL) came out with quarterly earnings of $1.50 per share, in line with the Zacks Consensus Estimate. This compares to earnings of$1.34 per share a year ago. These figures are adjusted for non-recurring items.A quarter ago, it was expected that this cleaning, food-safety and pest-control services company would post earnings of $1.79 per share when it actually produced earnings of$1.81, delivering a surprise of 1.12%.Over the last four quarters, the company has surpassed consensus EPS estimates thre ...