Shares of General Motors (GM) have gained 0.4% over the past four weeks to close the last trading session at 47.90,buttherecouldstillbeasolidupsideleftinthestockifshort−termpricetargetsofWallStreetanalystsareanyindication.Goingbythepricetargets,themeanestimateof59.92 indicates a potential upside of 25.1%.The average comprises 24 short-term price targets ranging from a low of 37toahighof105, with a standard deviation of $14.13. While the lowest estimate indicates a d ...