Along with common stock, there are likewise different classes of supply. The different courses of stock in one company are often called Course An and also Course B. The extraordinary, class A, basically provides the stock proprietor extra ballots per share of stock than the proprietors of class B stock. bitgetsite.com The capacity to create different classes of stock in a company has existed since 1987. Several capitalists prevent supply that has greater than one course, as well as stocks that have more than one course are not called common stock.