Shares of Copa Holdings (CPA) have gained 4.6% over the past four weeks to close the last trading session at $99.87, 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$156.67 indicates a potential upside of 56.9%. The average comprises nine short-term price targets ranging from a low of $138 to a high of$190, with a standard deviation of $17.35. While the lowest estimate indicate ...