Besides, subdued demand from consuming industries in the spot market weighed on prices.
At the Multi Commodity Exchange, copper for delivery in August declined by 10 paise or 0.03 per cent to Rs 313.70 per kg in a business turnover of 801 lots.
The metal for delivery in far-month November too fell by a similar margin to trade at Rs 320.45 per kg in a business volume of 74 lots.
Globally, copper for three-month delivery declined 0.8 per cent to settle at USD 4,710 per tonne on the London Metal Exchange (LME).
Inventories of copper, used in everything from wiring to automobiles to iPhones, rose 4.7 per cent to 240,075 tonnes, according to LME data, the highest since January 29.
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