CRR - More on CARBO Ceramics Q4 earnings January, 31 2019 10:09 AM Carbo Ceramics Inc. CARBO Ceramics (CRR -8.3%) reports Q4 sales declines ~18% Y/Y to 49.6M, primarily due to decline in sales of base ceramic and sand products. More news on: CARBO Ceramics Inc., Earnings news and commentary, , Read more ...