Avadel (AVDL) closed the last trading session at $17.81, gaining 5.5% over the past four weeks, but there could be plenty of upside left in the stock if short-term price targets set by Wall Street analysts are any guide. The mean price target of $22.90 indicates a 28.6% upside potential.The average comprises 10 short-term price targets ranging from a low of $19 to a high of $29, with a standard deviation of $3. While the lowest estimate indicates an increase of 6.7% from the current price level, the most op ...