 BENSENVILLE, IL, Dec. 16, 2020 GLOBE NEWSWIRE -- Rubicon Technology, Inc. RTI NASDAQ: RBCN had previously implemented a stock repurchase plan to repurchase up to 3 million of its common stock in November 2018. In July 2020, RTI used up all of the remaining amount of such initial 3 million authorization. Today, RTI announced that its Board of Directors has authorized another stock repurchase plan to purchase up to an additional 3 million of its common stock from time to time through open market and private transactions. The timing, price and volume of repurchases will be based upon market conditions, relevant securities laws and other factors. The stock repurchase plan expires on December 18, 2022 and may be terminated, suspended or modified at any time. There can be no assurance as to the number of shares of common stock repurchased by RTI. 