Copper prices were down 0.38 per cent to Rs 340.80 per kg in futures trade today amid a weak trend in global markets and subdued spot demand.
At the Multi Commodity Exchange, copper for delivery in November shed Rs 1.30, or 0.38 per cent, at Rs 340.80 per kg in a business turnover of 716 lots.
The metal for delivery in far-month February next year contract traded lower by Rs 1.30, or 0.37 per cent, to Rs 346.70 per kg in 14 lots.
Analysts attributed fall in copper futures to weak global cues as signs of slowing economic growth added to demand concerns in China, the world's biggest metal consumer.
China reported the slowest quarterly growth in the economy since 2009 while its industrial output last month climbed less than August gains and the market consensus.
Globally, copper for delivery in three months was little changed at one week low of USD 5,210 per tonne on the London Metal Exchange.
