Which one of the following statements regarding orders is false? A market order is simply an order to buy or sell a stock immediately at the prevailing market price. A limit-sell order is where investors specify prices at which they are willing to sell a security. If stock ABC is selling at $50, a limit-buy order may instruct the broker to buy the stock if and when the share price falls below $45. A market order is an order to buy or sell a stock on a specific exchange (market).