Morning Market Losers By: Benzinga via Benzinga September 16, 2015 at 09:50 AM EDT Newpark Resources Inc (NYSE: NR) shares tumbled 14.40 percent to $5.29 after the company issued a business update. The company amended ... Read More >> Related Stocks: Cracker Barrel DENTSPLY International FedEx Corp Foundation Medicine Lightinthebox Holding Ltd ADR Newpark Resources Paycom Software Inc Supercom Ltd