If the market index increased by 15.3 % during a period, a stock with a beta of 0.8 would be expected to (increase or decrease) _____________% during this same period? Ignore the risk free rate in calculating your answer (i.e. assume rf=0) Calculate the expected change in return to the nearest .1%. If the change is a decrease be sure to use a - sign. If the change is an increase, enter the number without a + sign.