A common stock is a representation of partial ownership in a company, and is the type of stock most people invest in. Common stock comes with voting rights, as well as the possibility of dividends and capital appreciation. In accounting, you can find information about a company's common stock in its balance sheet.
What is a common stock, and why do people invest in it?
Simply put, each share of common stock represents a share of ownership in a company. If a company does well or the value of its assets increases, common stock can go up in value. On the other hand, if a company is doing poorly, a common stock can decrease in value. Simply put, common stock allows investors to share in a company's success over time, which is why they can make great long-term investments.
In general, common stock comes with the right to vote for corporate directors, as well as to vote on policy changes and stock splits. There are a few exceptions to this rule, however, such as companies that have two classes of common stock -- one voting and one non-voting. Alphabet (Google) is one example -- class A shares (ticker symbol GOOGL) have voting rights, while class C shares (GOOG) do not.
Some companies choose to distribute some of their profits to common stockholders in the form of dividends, and each common stockholder is entitled to a proportional share. For example, if a company declares a dividend of $10 million and there are 20 million shareholders, investors will receive $0.50 for each common share they own.
The other main type of stock is called preferred stock, and works a bit differently. The main difference is that preferred stock has a fixed, guaranteed dividend, while common stock dividends can change over time, or even be discontinued. For this reason, share prices of preferred stocks generally don't fluctuate as much as common stock.
The bottom rung of the ownership ladder
Common shareholders have the most potential for profit, but they are also last in line when things go bad. In the event of bankruptcy, holders of common stock have the lowest-priority claim on a company's assets, and are behind secured creditors such as banks, unsecured creditors such as bondholders, and preferred stockholders.
For this reason, when companies liquidate or go through a bankruptcy restructuring, common stockholders generally receive nothing and their shares become worthless.
Common stock on a balance sheet
On a company's balance sheet, common stock is recorded in the "stockholders' equity" section. This is where investors can determine the book value, or "net worth," of their shares, which is equal to the company's assets minus its liabilities.
Here's a thorough discussion of this part of a balance sheet, but the main point to remember is that the total stockholders' equity is the book value of the stock, but that doesn't necessarily mean that the stock trades for this amount. Rapidly growing companies may trade for several times their book value, while riskier or struggling companies may trade at a discount.
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Suzanne Frey, an executive at Alphabet, is a member of The Motley Fool's board of directors. The Motley Fool has no position in any stocks mentioned. The Motley Fool owns shares of and recommends Alphabet (A shares) and Alphabet (C shares). Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.