IPG Photonics (IPGP) Expected to Beat Earnings Estimates: Should You Buy?Zacks Investment Research • 02/06/20
IPG Photonics Struggling To Offset Weaker End-Market Demand And Stronger CompetitionSeeking Alpha • 12/11/19
IPG Photonics Corp (IPGP) CEO Valentin Gapontsev on Q3 2019 Results - Earnings Call TranscriptSeeking Alpha • 10/29/19
Dr. Valentin Gapontsev and IPG Settle Litigation with US Treasury over Congressional ReportGlobeNewsWire • 09/11/19
IPG Photonics Corp, Inc. (IPGP) CEO Valentin Gapontsev on Q2 2019 Results - Earnings Call TranscriptSeeking Alpha • 07/30/19