What is the bid-ask spread?

A.the difference in price available for an immediate sale of a stock and the immediate purchase of the stock

B.all of the costs and fees that a stock exchange charges in order to process a transaction

C.the rise or fall in the value of a stock between the time it is acquired by an investor and sold by that investor

D.the difference in the selling price of a stock between different exchanges

正确答案：the difference in price available for an immediate sale of a stock and the immediate purchase of the stock