Shares of Signet (SIG) have gained 7.1% over the past four weeks to close the last trading session at 96.46,buttherecouldstillbeasolidupsideleftinthestockifshort−termpricetargetsofWallStreetanalystsareanyindication.Goingbythepricetargets,themeanestimateof123.20 indicates a potential upside of 27.7%.The average comprises five short-term price targets ranging from a low of 110toahighof152, with a standard deviation of $16.57. While the lowest estimate indicates an inc ...