Question: 5 Given the following situations, determine in each case whether or not the hypothesis of an efficient capital market in its weak or semi-strong form is contradicted. a) Through the introduction of a complex computer program into the analysis of past stock price changes, a brokerage firm is able to predict price movements well enough to earn a consistent 3% profit, adjusted for risk, above normal market returns. [3 marks] b) On the average, investors in the stock market this year are expected to earn a positive return (profit) on their investment. Some investors will earn considerably more than others. [5 marks] c) You have discovered that, in the month of June, when most companies tend to call their Annual General Meetings for the shareholders, stock prices tend to fluctuate more than in other months of the year. [5 marks] d) Shares of small firms with thinly traded stocks tend to earn positive abnormal returns (positive CAPM alphas). [5 marks] e) The square root of any given stock price multiplied by the day of the month provides an indication of the direction in price movement of that particular stock with a probability of 0.7. [5 marks]