Shares of A-Mark Precious Metals (AMRK) have gained 13.8% over the past four weeks to close the last trading session at $26.65, but there could still be a solid upside left in the stock if short-term price targets of Wall Street analysts are any indication. Going by the price targets, the mean estimate of$40.5 indicates a potential upside of 52%.The average comprises four short-term price targets ranging from a low of $29.00 to a high of$63.00, with a standard deviation of $15.8. While the lowest estimate ...