Shares of Rubicon Technology (RBCN -1.2%) dip after Goldman initiates coverage with a Sell...

|About: Rubicon Technology, Inc. (RBCN)|By:, SA News Editor

Shares of Rubicon Technology (RBCN -1.2%) dip after Goldman initiates coverage with a Sell rating, saying the company is faced with significant oversupply and pricing risks, plus high capital expenditures.