Hecla Mining could scupper U.S. Silver/RX Gold & Silver merger with all-cash bid

Hecla Mining Company (NYSE:HL) has made an all-cash offer for U.S. Silver Corporation (TSX-V:USA) in a bid to scupper its proposed merger with RX Gold & Silver (TSX-V:RXE). According to Hecla it approached the U.S. Silver board of directors with...