Plain and simple, stock is a share in the ownership of a company. Stock represents a claim on the company’s assets and earnings. As you acquire more stock, your ownership stake in the company becomes greater. Whether you say shares, equity, or stock, it all means the same thing.
Common stock is, well, common. When people talk about stocks in general they are most likely referring to this type. In fact, the majority of stock issued is in this form. We basically went over features of common stock in the last section. Common shares represent ownership in a company and a claim (dividends) on a portion of profits. Investors get one vote per share to elect the board members, who oversee the major decisions made by management.