An investor buys a stock if price rises 5% from the 250-day low and shorts a stock if price falls 5% from the 250-day high. What is this strategy called? Will it work if the market is efficient? Explain why. 1 (4 points) MacBook Air o COD IL F7 FE FO 76 FO F3 * $ 4 % 5 & 7 6 8 9 0 R. T Y U O