Anyone interested in purchasing shares may do so by visiting the location and conducting business with the stockholders. As a result, investors can speculate on a company's future through the stock market. The price at which investors are willing to buy and sell determines the firm's overall worth. Remember that stock prices are determined by how investors believe a company's operations will evolve over time. As a result, the market is forward-looking; the market anticipates events that will occur between six and nine months from now.