Exact Sciences (EXAS) closed the last trading session at $59.68, gaining 24.7% 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 $80.05 indicates a 34.1% upside potential.The average comprises 19 short-term price targets ranging from a low of $61 to a high of $100, with a standard deviation of $9.70. While the lowest estimate indicates an increase of 2.2% from the current price level ...