What kind of investment is a stock?

A stock represents ownership in a company, meaning that when an individual buys a stock, they are purchasing a share of that company's equity. This ownership grants shareholders a claim on part of the company’s assets and entitles them to a portion of its profits, typically in the form of dividends. Stocks can appreciate in value, allowing investors to potentially sell their shares for a profit if the company performs well or attracts investor interest. This kind of investment is distinct from fixed-income securities, which provide returns through regular interest payments. Additionally, stocks are not loans since they do not involve borrowing money with the expectation of repayment with interest, nor are they merely savings vehicles as savings accounts typically do not involve ownership in a company and focus on preserving capital while earning interest. The fundamental nature of stock as ownership underscores its classification as an investment type, aligning with the correct answer.