Shares of CPI Card Group Inc. (PMTS) have gained 1.3% over the past four weeks to close the last trading session at $29.03, 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$37 indicates a potential upside of 27.5%.The mean estimate comprises four short-term price targets with a standard deviation of $2.94. While the lowest estimate of$33 indicates a 13.7% increase from the curr ...