Production of battery grade cobalt blows up First Cobalt's stock

[caption id="attachment_979819" align="aligncenter" width="900"] First Cobalt's refinery, Cobalt, Ontario. Image from First Cobalt.[/caption] Toronto-based First Cobalt Corp.'s (CVE: FCC) stock soared over 38% Wednesday, after the company announced it has successfully produced a battery grade cobalt sulphate at its refinery...