Copper ended down Saturday after prices rose Friday after data showed the U. S. economy gathered steam in the fourth quarter, led by the biggest gain in consumer spending in more than four years. Chilean copper output fell 1.6 percent in December compared with a year earlier but remained stable for 2010 as a whole, with an annual production of 5.412 million tonnes.

Stocks of copper in LME warehouses continued a recent climb, which has dented investors' confidence in the demand outlook, rising 800 tonnes to 398,075 tonnes, data showed on Friday. Copper inventories declined 0.9 percent to 129,250 metric tons, data from the Shanghai exchange showed. Copper has touched a low of Rs 441.1 a kg after opening at Rs 442, and last traded at Rs441.55. For today market is looking for the support at 441, a break below could see a test of 440.4 and where as resistance is now likely to be seen at 442.3, a move above could see prices testing 443.1.

Trading Ideas: Copper trading range is 440.4-443.1. Copper ended down Saturday after prices rose Friday after release of U. S data Copper looks to take support at 440.20 and resistance at 443.80 Copper weekly stocks at Shanghai exchange came down by 1114 tonnes