(0.5)(87.5) = 4.375
An average daily gain of for four days means a net gain of 2. To go up 5
percent for the week, the stock needs to go up another 4.375 – 2 = 2.375,
which is the same as
An average daily gain of for four days means a net gain of 2. To go up 5
percent for the week, the stock needs to go up another 4.375 – 2 = 2.375,
which is the same as