According to the semi-strong form of EMH, which of the following might lead to extraordinary profits? I. Thoroughly analyzing the state of the economic, the industry, and the company's fundamentals II. Studying charts of a stock's past price behaviour III. Possessing private information not available to other investors IV. Carefully timing trades to buy when the price is low and sell when the price is high Question 25 options: II only IV only II and III only II and IV only None of them (that is, the market is efficient - no abnormal return to earn) I and IV only II, III, and IV only III only I only I, II, and III only I and III only