Question 7 (3 points) The term random walk is used in investments to refer to stock prices that respond slowly to both old and new information Ostock prices changes that follow the pattern of past price changes stock price changes that are random and unpredictable Ostock price changes that are random but predictable Question 8 (3 points) The semistrong-form of the efficient market hypothesis implies that generate abnormal returns and generate abnormal returns. O technical analysis can; fundamental analysis cannot technical analysis cannot; fundamental analysis can technical analysis can; fundamental analysis can technical analysis cannot; fundamental analysis cannot