Benzinga's After Hours Decliners (RRGB, AMKR, TSYS, CROCS, SD, CF, RBC)

Among the stocks that are moving lower in the after hours trading session on significant volume on Thursday are Red Robin RRGB, Amkor Technology AMKR, TeleCommunication Systems TSYS, Crocs Inc. CROX, SandRidge Energy SD, CF Industries CF, and Regal-Benoit Corp. RBC. Here is a look at exactly how these stocks are faring in late trading. RRGB -14.12% at $17.40 AMKR -9.49% to $6.68 TSYS -6.74% at $5.40 CROX -6.42% to $13.85 SD -8.70% at $5.86 RBC -2.05% to $55.71