To start business stocks, you have to know about the risk and the profit of this. For the beginner, if you just have a little capital, you can try to buy a Common stock because it the safest type. You can get the profit from it because if the company get profits you will get the dividend. You also have the voting right in corporate. If the company was bankrupt, you can get remaining asset of the company if it liquidated.
You can buy another type if you have a substantial capital. You can buy Preferred stocks. This type is higher that Common stock. You would take precedence on dividend payment and distribution of company asset but you can’t get the voting right in corporate. You can also change it common stocks if you want. Read any prediction and how to take a good stock on http://moneymorning.com/2016/06/06/the-top-3-penny-stocks-to-buy-in-2016/.