Final answer:
A company neither gains nor loses financially when it sells its stock to, or buys its stock from, its own stockholders.
Step-by-step explanation:
When a company sells its stock to, or buys its stock from, its own stockholders, it neither gains nor loses financially. The firm does not receive any money when stock is bought from existing stockholders, and it does not pay out any money when it buys its stock back from them. The company originally issued the stock, but it is not involved in the buying and selling transactions between stockholders. This is a common practice in the stock market, where shares of stock are bought and sold among individuals and organizations without the involvement of the company that issued the stock.