Greif (GEF) closed the last trading session at $64.95, gaining 2.2% 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 $81.33 indicates a 25.2% upside potential.The mean estimate comprises three short-term price targets with a standard deviation of $6.51. While the lowest estimate of $75 indicates a 15.5% increase from the current price level, the most optimistic analyst expects the s ...