Shares of Air Canada (ACDVF) have gained 0.7% over the past four weeks to close the last trading session at $14.13, 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$17.97 indicates a potential upside of 27.2%.The average comprises 14 short-term price targets ranging from a low of $12.85 to a high of$23.36, with a standard deviation of $2.38. While the lowest estimate indicates ...