Hecla Mining (HL -15%) plummets after cutting its 2012 silver production outlook to 7M ounces...

|About: Hecla Mining Co. (HL)|By:, SA News Editor

Hecla Mining (HL -15%) plummets after cutting its 2012 silver production outlook to 7M ounces from 9.5M as the Mine Safety and Health Administration orders the closure of a shaft at its Lucky Friday silver mine, where activity has been halted since November. (PR)