Tenzing Global Managment, a San Francisco-based hedge fund, recently initiated a new position in Signet Jewelers stock, worth more than $7.6 million. Here's what average investors need to know.Targets individual consumers seeking engagement, wedding, and gifting jewelry, with a focus on the U.S., Canada, and U.K. markets.Generates revenue primarily through the sale of fine jewelry, watches, and diamond services, operating across North America and select international markets with a multi-channel retail mode ...