FTSSF - First Cobalt says battery grade cobalt produced at Ontario refinery April, 04 2019 12:51 PM Electra Baterry Materials Corp Com First Cobalt (OTCQX:FTSSF -6%) gives back some of yesterday's 38% gain that followed news that the company had produced its first battery grade cobalt sulfate at its Ontario refinery.More news on: First Cobalt Corp., Commodities news, Read more ...