Since bottoming out in the red zone back in January, Apple (AAPL) has been steadily working its way back up the relative strength rankings in the SIA S&P 100 Index Report. Last week it returned to the Green Favored Zone for the first time since October, and today it returned to the Green Favored Zone of the SIA S&P 500 Index Report. In the SIA S&P 100 Index Report, Apple currently sits in 16th place, up 31 positions in the last month.