The Relative Strength (RS) Rating for Wells Fargo climbed into a key, new percentile Thursday, with an increase from 79 to 82. When looking for the best stocks to buy and watch, one factor to watch closely is relative price strength. This unique rating tracks technical performance by using a 1 (worst) to 99 (best) score that identifies how a stock's price performance over the last 52 weeks matches up against other publicly traded companies.