Supernus Pharmaceuticals (SUPN) closed the last trading session at $31.48, gaining 10.5% 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 $40.50 indicates a 28.7% upside potential. The average comprises four short-term price targets ranging from a low of $38 to a high of $43, with a standard deviation of $2.08. While the lowest estimate indicates an increase of 20.7% from the curren ...