Who keeps buying the shares? Who keeps selling the

Who keeps buying the shares? Who keeps selling them? Why bother buying or selling shares at such low prices not much profit to be had by just flipping them; NO wait! Unless there is another very, very, very good reason for doing so. Is some one desperate for shares? Why? This is not over with yet in my observations! Look at all the trading VOLUME since Jan 2013. A mouth can tell countless lies human behavior tells a story of truth!