Teck Cominco Ltd. reported that the second-quarter was highlighted by the strong performance of the Vancouver, B.C.-based major's copper division. Elk Valley Coal was also a large contributor, benefiting from the phase in of the 2008 coal year prices of $275 per ton, up from $93 per ton 2007 coal year prices. The strong copper and coal performance was offset somewhat by weak zinc prices and a s...