PowerRatings (Update)

Three months ago I did a review of PowerRatings, a quant rating method that ranks stocks on both safety and the potential for price appreciation. If you recall, I filtered all of the stocks showing up in my favorite stock screens through their ratings system and created six model portfolios in order to test the effectiveness of their ratings.

Using the closing pricing of the stocks on January 7, 2008 (the date of the review post) with an end date of last Friday, here's how these portfolios have performed in comparison to the S&P 500 which fell -3.23% during the same time frame.....[READ]