Benzinga's Volume Movers By: Benzinga via Benzinga January 09, 2015 at 10:27 AM EST OM Group Inc. (NYSE: OMG) surged 9.36% to $29.95. The volume of OM Group shares traded 290% higher than normal. OM Group shareholder ... Read More >> Related Stocks: Bitauto Holdings Ltd Helen of Troy Ltd Jd.com Inc ADR Tencent Holdings ADR