Categories of common stock of a corporation associated with a particular subsidiary resulting from acquisitions and restructuring. The various alphabetical categories have different voting rights and pay dividends tied to the operating performance of the particular divisions. See also: Tracking stocks.
A common stock with some feature distinguishing it from other common stock in the same company. Publicly-traded companies sometimes issue common shares of different classes, which usually affects the shares' voting rights. For example, class A shares usually carry more voting rights than class B shares. The name derives from the fact that these stocks usually are distinguished by different letters of the alphabet.