Carbo Ceramics (CRR) Shares Enter Oversold Territory By: Energy Stock Channel July 31, 2014 at 12:14 PM EDT In trading on Thursday, shares of Carbo Ceramics Inc. (CRR) entered into oversold territory, changing hands as low as $125.11 per share.. Read More >> Related Stocks: Carbo Ceramics Wisdomtree U.S. Total Dividend Fund