USANA Health Sciences (USNA) came out with a quarterly loss of $0.15 per share in line with the Zacks Consensus Estimate. This compares to earnings of$0.56 per share a year ago. These figures are adjusted for non-recurring items. A quarter ago, it was expected that this nutritional supplement maker would post earnings of $0.54 per share when it actually produced earnings of$0.74, delivering a surprise of +37.04%.Over the last four quarters, the company has surpassed consensus EPS estimates three times.USA ...