B E F G H K M Question 17 2 3 Suppose that, after conducting an analysis of past stock prices, you come up with the following observations. 4 Which would appear to contradict the weak form of the efficient market hypothesis? 5 The average excess rate of return is significantly greater than zero 7 B The correlation between the return during a given week and the return during the following week is zero One could have made superior returns by buying stock after a 5% rise in price and selling after a 5% fall One could have made higher than-average capital gains by holding stocks with high market betas 3 C D 0