Rubicon Technology, Inc. (NASDAQ:RBCN) was downgraded by equities researchers at ValuEngine from a “hold” rating to a “sell” rating in a research note issued on Thursday.

Shares of Rubicon Technology (RBCN) opened at 8.26 on Thursday. The company’s market capitalization is $22.50 million. The company has a 50-day moving average price of $8.21 and a 200-day moving average price of $6.70. Rubicon Technology has a 12 month low of $0.73 and a 12 month high of $10.45.

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A number of large investors have recently modified their holdings of the business. Bandera Partners LLC purchased a new stake in Rubicon Technology in the 1st quarter valued at $304,000. Renaissance Technologies LLC grew its holdings in Rubicon Technology by 7.6% in the 1st quarter. Renaissance Technologies LLC now owns 896,000 shares of the semiconductor company’s stock valued at $746,000 after buying an additional 63,100 shares in the last quarter. Finally, Royce & Associates LP grew its holdings in Rubicon Technology by 4.0% in the 1st quarter. Royce & Associates LP now owns 801,705 shares of the semiconductor company’s stock valued at $668,000 after buying an additional 30,615 shares in the last quarter. Institutional investors own 37.03% of the company’s stock.

Rubicon Technology Company Profile

Rubicon Technology, Inc is a vertically integrated, electronic materials provider specializing in monocrystalline sapphire for applications in light-emitting diodes (LEDs), optical systems and specialty electronic devices. The Company’s product lines include sapphire cores; four and six-inch sapphire wafers; four, six, and eight-inch patterned sapphire substrate (PSS) wafers, and optical sapphire components.

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