Earnings Preview: IPG Photonics (IPGP) Q2 Earnings Expected to DeclineZacks Investment Research • 07/28/20
IPG Photonics Corporation (IPGP) CEO Valentin Gapontsev on Q1 2020 Results - Earnings Call TranscriptSeeking Alpha • 05/05/20
IPG Photonics Introduces Single-Fiber, Bi-Directional Coherent Modules Operating at Extended TemperaturesGlobeNewsWire • 03/05/20
3 Big Stock Charts for Friday: Dollar General, IPG Photonics, and American EagleInvestorPlace • 02/14/20
IPG Photonics Corporation (IPGP) CEO Valentin Gapontsev on Q4 2019 Results - Earnings Call TranscriptSeeking Alpha • 02/13/20