Shares of American Superconductor (AMSC) have gained 0.1% over the past four weeks to close the last trading session at $31.21, but there could still be a solid upside left in the stock if short-term price targets of Wall Street analysts are any indication. Going by the price targets, the mean estimate of$65.33 indicates a potential upside of 109.3%.The average comprises three short-term price targets ranging from a low of $55.00 to a high of$73.00, with a standard deviation of $9.29. While the lowest est ...