A stock company is a term used to describe a business that is owned by shareholders who have invested their money in the company's stocks. Synonyms for the term "stock company" include "public company," "publicly traded company," or even simply "corporation." These terms describe companies that have issued stocks that are available for purchase by investors on a public market, allowing for increased liquidity and potential for growth. Additionally, terms like "limited liability company" or "LLC" may be used to describe a business structure where investors have limited liability for the company's actions. Regardless of the terminology used, these companies are often subject to regulations and reporting requirements to ensure transparency and protect investors.