IPG Photonics (IPGP) Q4 Earnings Beat, Revenues Improve Y/Y Posted byZacks Equity Research February 15, 2022 Leave a comment on IPG Photonics (IPGP) Q4 Earnings Beat, Revenues Improve Y/Y IPG Photonics’ (IPGP) Q4 results reflect solid demand in welding applications across most geographies.