Teck Resources swings to loss after $1.7 billion charge

[caption id="attachment_836529" align="aligncenter" width="600"] Teck, the largest producer of steel-making coal in North America, said the write-downs reflect lower expectations for commodity prices.[/caption] Canadian mining giant Teck Resources (TSX:TCK.A, TCK.B), (NYSE: TCK) swung to a loss in the third quarter of...