Shares of Avadel (AVDL) have gained 32.7% over the past four weeks to close the last trading session at $12.75, 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$17.5 indicates a potential upside of 37.3%.The mean estimate comprises eight short-term price targets with a standard deviation of $3.38. While the lowest estimate of$12.00 indicates a 5.9% decline from the current pric ...