Shares of Ero Copper Corp. (ERO) have gained 23.8% over the past four weeks to close the last trading session at $13.52, 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$17.45 indicates a potential upside of 29.1%.The mean estimate comprises 13 short-term price targets with a standard deviation of $2.71. While the lowest estimate of$12.50 indicates a 7.5% decline from the curre ...