And now copper is getting crushed. In overnight trading in New York, the price of copper was down about 6% to below $2.50 a pound, a more than four year low for the commodity. The crash in copper prices is the latest in a global commodities sell off, which has been highlighted by the decline in the price of oil, which is down more than 50% since June. In a note to clients, commodities analysts at Morgan Stanley in Australia attributed the overnight — or intraday move for trading in New York — drop in copper prices to "speculation that cheaper energy costs will encourage mining companies to increase ... (full story)