Benzinga's Volume Movers By: Benzinga via Benzinga January 30, 2015 at 10:44 AM EST Natural Grocers by Vitamin Cottage, Inc. (NYSE: NGVC) surged 11.42% to $31.71. The volume of Natural Grocers by Vitamin Cottage shares ... Read More >> Related Stocks: Amazon.com Intercept Pharmaceuticals Natural Grocers By Vitamin Cottage Inc Synaptics Inc