Buy, Sell or Hold: CARBO Ceramics, Inc.(NYSE: CRR) Are the Glory Days Over?

CARBO Ceramics, Inc. (NYSE: CRR) is one of those companies quietly making a killing in today's economy. Thanks in large part to the natural gas boom, CRR is up over 328% off of the 2009 lows. However, how long it can maintain its status as a high-flier is another matter entirely. In fact, I expect that CARBO's entire business model is about to come under attack, which is why now is a good time to sell. Here's why. CARBO is one of the world's biggest

CARBO Ceramics Inc.