Rubicon Technology, Inc. announced earnings results for the second quarter ended June 30, 2021. For the second quarter, the company announced sales was USD 848,000 compared to USD 1.089 million a year ago. Net loss was USD 119,000 compared to net income of USD 1.711 million a year ago. For the half year, sales was USD 1.343 million compared to USD 2.117 million a year ago. Net loss was USD 926,000 compared to USD 498,000 a year ago. Basic loss per share from continuing operations was USD 0.29 compared to USD 0.12 a year ago.