Stock price Trading Days -5 Stock price 113.46 115.53 -4 120 119 118 117 116 115 114 113 112 111 -3 115.94 -2 117.55 118.27 110 5 3 2 1 2 3 A 5 -1 0(earning anoucement date) 1 (one day after annoucement) 2 3 4 119.12 114.81 114.69 114.38 116.36 115.81 1 (one day after... Olearning anoucement date) 5 Look at the stock price of Apple Inc, is the market efficient? And why? If it is efficient, isit weak form efficient, semi strong form or strong form