ADTRAN Holdings (ADTN) came out with a quarterly loss of $0.05 per share versus the Zacks Consensus Estimate of a loss of $0.02. This compares to loss of $0.14 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of -150%. A quarter ago, it was expected that this networking equipment maker would post a loss of $0.10 per share when it actually produced a loss of $0.24, delivering a surprise of -140%.Over the last four quarters, the com ...