The daily returns for a stock and the S&P 500 are given below. The stock has an expected return equal to the index return.

Date	Stock return (%)	S&P 500 return (%)
Feb. 8	0.6	0.5
Feb. 9	-0.2	-0.4
Feb. 10	0.1	-0.1
Feb. 11	-0.3	-0.2
Feb. 12	0.7	0.3
Feb. 13	0.4	0.3
Feb. 14	0.2	0.5

1. What is the cumulative abnormal return over that period (in percentage points)?