Greif (GEF) closed the last trading session at $64.96, gaining 4.2% 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 average comprises three short-term price targets ranging from a low of $75 to a high of $88, with a standard deviation of $6.51. While the lowest estimate indicates an increase of 15.5% from the current price level, the mo ...