Reports Q2 (Jun) earnings of $0.46 per share, $0.35 worse than the Reuters Estimates consensus of $0.81; revenues rose 71.3% year/year to $138.1 mln vs the $173.6 mln consensus. "Copper prices began the second quarter at $1.37 per lb. and then quickly declined to as low as $1.15 during the quarter. Although logically our industry should have been able to maintain stable margins at what are historically high copper prices, price discounting and reduced margins prevailed during the quarter".