Shares of Copa Holdings (CPA) have gained 10.1% over the past four weeks to close the last trading session at $106, 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$155.56 indicates a potential upside of 46.8%. The average comprises nine short-term price targets ranging from a low of $138 to a high of$180, with a standard deviation of $15.13. While the lowest estimate indicates ...