Here is the past week’s stock performance of eight of the leading primary silver miners. Fresnillo PLC’s stock price surged by 18% for the week, followed by double-digit gains from Hecla (13%), Coeur (11%), and Endeavour Silver (10%). What’s interesting, is to see First Majestic underperform the group at only 1.8%, when it was the darling back in early 2016.