Signet Jewelers isn’t a household name, but you’re probably familiar with its brands if you watch TV: the British company owns the chains Kay Jewelers, Zales, and Jared, along with Piercing Pagoda and some regional brands. Today, a report from an influential investors’ tipsheet led to a drop in Signet’s stock price… though possible problems that would be dire for investors would benefit consumers in the long run. [More]