Arsenal PLC, the quoted football and leisure group, goes on to win the cup, and win which will no doubt bring greater revenues and profits. Before the win in the final, the share price was 13. (a) What might have happened to the share price following the final whistle of the winning game? (b) Which of the following suggests the market is efficient? (Assume that the market as a whole does not move and that the only news is the football match win.) i. The share price rises slowly over a period of two weeks to reach 15. ii. The share price jumps to 18 on the day of the win and then falls back to 15 one week later. iii. The share price moves immediately to 15 and does not move further relative to the market