According to the Efficient Markets Theory of Stock Prices,who Are

According to the efficient markets theory of stock prices,who are the primary beneficiaries of a sudden rise in demand for a firm's stock?

A) the consumers of the firm's products
B) the current shareholders at the time of the rise in demand
C) the investors who buy the firm's stock shortly after the rise in demand
D) the investors who sell their shares just before the rise in demand
E) the investors who have been carefully watching stock price patterns