Five9 (FIVN) closed the last trading session at $39.27, gaining 29.1% 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 $52.39 indicates a 33.4% upside potential.The mean estimate comprises 18 short-term price targets with a standard deviation of $8.71. While the lowest estimate of $40 indicates a 1.9% increase from the current price level, the most optimistic analyst expects the sto ...