Our research suggests that these changes in estimates have a direct relationship with upcoming stock price performance. We developed the Zacks Rank to capitalize on this phenomenon. Our system takes these estimate changes into account and delivers a clear, actionable rating model. From a valuation perspective, Signet is currently exchanging hands at a Forward P/E ratio of 7.8. This signifies a discount in comparison to the average Forward P/E of 20.13 for its industry. The jewelry company's stock has droppe ...