PLAB - Photronics Inc (PLAB) Q4 2020 Earnings Call Transcript December, 09 2020 12:30 PM Photronics Inc. Image source: The Motley Fool. Photronics Inc (NASDAQ: PLAB) Q4 2020 Earnings Call Dec 9, 2020 , 8:30 a.m. ET Operator Continue reading For further details see: Photronics Inc (PLAB) Q4 2020 Earnings Call Transcript