In previous article, we have learned how to draw the trendline for stock trading which is a useful tool to know the current stock market trend. As I have also mentioned, knowing the stock market trend is very essential for stock trader – especially for retailers – to gain optimum profit in their stock trading venture. In short, we can make money in stocks by using trendline based strategy. Indeed, this trading strategy is quiet simple which are “buy if the trend is up, sell if the trend is down, and stay away if the trend is nontrend (sideways).