Copper rose to a record high as supply concerns hit the market after Chile's Collahuasi mine halted shipments, with a falling dollar also supporting prices. The world's No. 3 copper mine, Chile's Collahuasi, said it halted shipments of copper concentrate after a weekend accident shut its key sea port terminal, fuelling global supply worries. Consumption in China is expected to be robust in 2011. The latest data on Tuesday showed China's imports of refined copper rose nearly 37 percent in November from a month ago, reversing a nearly 30 percent fall in October. Copper has touched a low of Rs 422.1 a kg after opening at Rs 422.2, and last traded at Rs428.4.For today market is looking for the support at 424, a break below could see a test of 419.6 and where as resistance is now likely to be seen at 430.9, a move above could see prices testing 433.3.

Trading Ideas:

Copper trading range is 419.6-433.3.

Copper yesterday hits record high on supply woes

Copper is taking resistance at 430.90 and support is seen at 425.80.

Copper daily stocks at Shanghai exchange came down by 1225 tonnes.