Perrot Duval Holding S.A. Announced earnings results for the half year ended October 31, 2019. For the half year, the company announced sales was CHF 20.822 million compared to CHF 21.447 million a year ago. Operating income was CHF 344,000 compared to CHF 514,000 a year ago. Net income was CHF 4,000 compared to CHF 79,000 a year ago.