Shares of American Superconductor (AMSC) have gained 7.3% over the past four weeks to close the last trading session at 23.48,buttherecouldstillbeasolidupsideleftinthestockifshort−termpricetargetsofWallStreetanalystsareanyindication.Goingbythepricetargets,themeanestimateof30.33 indicates a potential upside of 29.2%.The mean estimate comprises three short-term price targets with a standard deviation of 2.31.Whilethelowestestimateof29 indicates a 23.5% increase from ...