Coretek Opto Corporation announced earnings results for the half year ended June 30, 2020. For the half year, the company announced sales was TWD 228.571 million compared to TWD 173.858 million a year ago. Operating loss was TWD 2.126 million compared to TWD 36.104 million a year ago. Net income was TWD 2.351 million compared to net loss of TWD 36.042 million a year ago. Basic earnings per share was TWD 0.04 compared to basic loss per share of TWD 0.55 a year ago.