The theory driving swing trading is that you will purchase a stock with all the intention of holding it for some days or it could be many weeks, after which selling it for a revenue. ... 1. The cost per share has to be +. 2. The daily trading volume needs to be 500k+ daily. ]]> The reasons supporting most of these important factors is that those who make the markets find it far more complicated to manipulate stock price tags in big businesses than in small ...