Yesterday's $MDGC Buy/Sell volume ratio. Screenshot images.investorshub.advfn.com/images/uploads/2012/6/28/nvwcyMDGCBUYSELL.JPG http://images.investorshub.advfn.com/images/uploads/2012/6/28/nvwcyMDGCBUYSELL.JPG