美国上市的银矿股盘前走低，赫克拉矿业下跌3.3%，科尔黛伦矿业股价下跌3.3%，Silvercorp Metals股价下跌3.1%，Endeavour ...

Group 1 - U.S. listed silver mining stocks experienced a decline in pre-market trading [1] - Hecla Mining Company saw a drop of 3.3% [1] - Coeur Mining's stock price also fell by 3.3% [1] - Silvercorp Metals' stock decreased by 3.1% [1] - Endeavour Silver experienced a decline of 3.8% [1]