Capital stock is the number of common and preferred shares that a company is authorized to issue, and is recorded in shareholders' equity. Capital stock is the total amount of shares a company is authorized to issue, while treasury stock is the number of shares a company holds in its treasury.Capital stock authorized is the number of shares of stock that a corporation is entitled to issue as designated in its charter. Common stock is a representation of partial ownership in a company and is the type of stock in which most people invest. Capital stock in accounting is ownership value received for preferred and common shares of a corporation. In economics, Capital stock is production assets. Typically, the issued and outstanding shares of a company are its capital stock, which is a combination of common stock and preferred stock. Capital stock, also known as authorized stock, refers to all common stock and preferred stock a corporation is legally allowed to issue. The Kamala Harris campaign has made one of its first concrete policy proposals this week with a tax plan.