Shares of United Airlines (UAL) have gained 9.5% over the past four weeks to close the last trading session at 106.34,buttherecouldstillbeasolidupsideleftinthestockifshort−termpricetargetsofWallStreetanalystsareanyindication.Goingbythepricetargets,themeanestimateof134.07 indicates a potential upside of 26.1%.The mean estimate comprises 22 short-term price targets with a standard deviation of 12.38.Whilethelowestestimateof115 indicates an 8.1% increase from the curr ...