Shares of CSG Systems (CSGS) have gained 1.6% over the past four weeks to close the last trading session at 47.61,buttherecouldstillbeasolidupsideleftinthestockifshort−termpricetargetsofWallStreetanalystsareanyindication.Goingbythepricetargets,themeanestimateof62.50 indicates a potential upside of 31.3%. The average comprises eight short-term price targets ranging from a low of 43toahighof81, with a standard deviation of $13.68. While the lowest estimate indicates a ...