d. Which forms of efficiency are satisfied and/or violated in the following hypothetical situations (the quality of your explanation determines your mark). In giving your answers, treat each situation described independently of the others: i. John Greenspan, the host of TV show Crazy Cash, gives stock recommendations every day and insists following these recommendations will beat the market. [4 marks] ii. Inintech announces that it has discovered a cure for chickenpox. Its share price rises by 45%. [4 marks] iii. If a firm's stock price falls by more than 2% on any given day, the return is typically positive the following day. [4 marks] iv. The difference between the best performing and worst performing London hedge funds was 86% in 2013. [4 marks]