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)Shares of small firms with thinly traded stocks tend to earn positive abnormal returns (positive CAPM alphas). b) 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