Silver miners drop as precious metal prices ease

** Shares of silver miners fall, tracking a decline in the metal's prices; spot silver down 1.2% GOL/

** Silvercorp Metals SVM.TO, Endeavour Silver EDR.TO and First Majestic AG.TO fall between 3.3% and 4.3%

** Separately, First Majestic suspends its NAFTA arbitration against Mexico over a legacy tax dispute

** US-listed shares of silver miner Hecla Mining HL.N down 2.6%

** So far this year down up 16.3% YTD