NEW YORK ( TheStreet) -- Base metals continue to trade in the green despite unfavorable economic data releases on Monday. Metals are taking their cues Tuesday from Asia, particularly China where there are reports the Chinese government may relax its policy-tightening measures. Furthermore, the government plans to allow overseas investors to trade derivatives contracts, encouraging foreign capital into the equity market.Copper Copper for delivery within three months was trading 1.2% higher at $6,582 in the early hours of trading Tuesday on the London Metal Exchange. Copper inventories maintained by LME declined for the 22nd consecutive day equivalent to the year's longest period of declines. Inventory levels shed 3,575 tonnes to close at 422,850 tonnes Monday. Major copper producers in the world are trading very close to their resistance levels. Southern Copper ( SCCO), which closed at $29.27 in the previous trading session, has support at $29.03, while resistance lies at $29.58. Meanwhile, Teck Resources ( TCK) closed at $31.32 with support and resistance at $30.79 and $31.99, respectively. Aluminum Aluminum for delivery within three months gained 0.5% to $1,982 per ton Tuesday. On Monday, LME inventories dropped 6,325 tonnes to close at a 52-week low of 4.37 million tonnes. According to a Reuters report, aluminum consumption in cars has a huge potential for growth in Europe as carmakers would prefer to opt for the lighter metal in order to cut fuel costs and emissions. Mark White, chief technical specialist at Jaguar Land Rover, said that currently the European car market consumes 130,000 tonnes of aluminum sheet which is foreseen to double or triple in the next five to 10 years. Meanwhile, Indian aluminum maker Hindalco Industries recently revealed that China would use 18% (16.4 million tonnes) more aluminum in 2010 while the world consumption, excluding China, would be around 22.6 million tonnes. Alcoa ( AA) ended trading at $10.58 Monday, close to its resistance of $10.74 after which it is technically seen to be crossing $10.89. Its support lies at $10.37. Century Aluminum ( CENX) closed at $9.09 with support and resistance at $8.88 and $9.25, respectively. Kaiser Aluminum ( KALU) closed at $38.13 with support at $37.52 and resistance at $38.46.