Proto Labs (PRLB) Q4 Earnings and Revenues Top Estimates Posted byZacks Equity Research February 11, 2022 Leave a comment on Proto Labs (PRLB) Q4 Earnings and Revenues Top Estimates Proto Labs (PRLB) delivered earnings and revenue surprises of 41.38% and 5.63%, respectively, for the quarter ended December 2021. Do the numbers hold clues to what lies ahead for the…