By trading do you mean investment (as in long term buy-and-hold, 5-10years)? The strategy is sound (and have a similar approach) but it makes sense only for a

By trading do you mean investment (as in long term buy-and-hold, 5-10years)? The strategy is sound (and have a similar approach) but it makes sense only for a buy-and-hold approach. For the short term the quality of the company product doesn't really matter too much.