Shares of Hecla Mining (HL) have gained 1.1% over the past four weeks to close the last trading session at $5.39, 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 $7.90 indicates a potential upside of 46.6%.The average comprises nine short-term price targets ranging from a low of $6.60 to a high of $11.50, with a standard deviation of $1.48. While the lowest estimate indicates an ...