Copper (XCU) prices remain under short term pressure as slower growth in China raises concerns about demand. But the stronger industrial production, lower exchange inventories and possible supply disruptions continue to support the market. Copper may test the key support area before the next major rally begins, while the long term outlook remains positive. This article examines the mixed economic data of China, tightening supply, inflation risks and the price levels that can determine the next move in copper prices.