Common stock

Common stock is a form of share or security representing the ownership in company in which the holder is not preferred by corporation in distribution of dividend and in the event of company liquidation the funds are paid to common stockholder after prefer stockholders, bondholders and creditors have been paid. 

Common stockholders usually have voting right to elect board of director of the company and establish its policies, rules and regulation. Besides voting rights common stock holder have "preemptive rights" which implies that common stock holder can buy new shares, in the future, of company proportion to their current ownership in the company. common stock doesn't have fixed dividend but it depends on the earning of company