Aluminum giant Alcoa struggles with power for its three smelters in Canada

[caption id="attachment_757315" align="aligncenter" width="600"] Baie-Comeau Smelter, Quebec.[/caption] U.S. Aluminum giant Alcoa (NYSE:AA) may need to close all three of its smelters in the province of Quebec, Canada, as electricity supply cost for the plants is expected to jump 60%, TVA network...