Shares of Byrna Technologies Inc. (BYRN) have gained 5.7% over the past four weeks to close the last trading session at $20.43, 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$36.17 indicates a potential upside of 77%.The mean estimate comprises three short-term price targets with a standard deviation of $2.75. While the lowest estimate of$33 indicates a 61.5% increase from th ...