Jiangxi Copper rose 1.7% in Hong Kong and 1.9% in Shanghai, while in Sydney, Fortescue Metals Group and BHP Billiton advanced 3.8% and 0.7%, respectively.
The US, Britain and the EU now all make pennies and cents out of steel with a copper plating as copper rose in price making brass and bronze worth more than face value.
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Copper imports rose to a four-month high, while purchases of iron ore were the biggest since January 2011.
She said when that announcement came out, copper prices rose sharply, which underscores the importance the Asian nation has to the red metal.
Jiangxi Copper Co. rose 0.7% in Shanghai but fell 0.2% in Hong Kong.
However, the net long rose for copper, the one base for which the CFTC compiles weekly data.
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The gold and copper mining industries that rose and fell with such spectacular suddenness are still in the dumps.
Meanwhile, the net length of these accounts also fell for palladium, but rose for silver, copper and platinum.
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Copper production, the second largest contributor to profits, rose by just 2% to 172, 900 tonnes, as troubles continued at its Collahuasi mine in Chile - including with low ore grades.
The copper net-short position for the managed-money accounts rose to 2, 649 contracts as they cut gross longs and increased gross shorts.
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The copper net-long position for the managed-money accounts rose fell to 23, 448 contracts, as they cut more gross longs than gross shorts.
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The copper net-long position for the managed-money accounts rose to 12, 298 contracts, as they added a gross longs and subtracted gross shorts.
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The copper net-long position for the managed-money accounts rose to 20, 582 contracts as they have added many more gross longs than gross shorts.
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The copper net-long position for the managed-money accounts rose to 22, 123 contracts, as they cut 2, 670 gross shorts and added 5, 972 gross longs.
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The copper net-long position for the managed-money accounts rose significantly, to 22, 650 contracts, as they added 9, 691 gross longs and 1, 489 gross shorts.
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The copper net-short position for the managed-money accounts rose significantly, to 38, 951 contracts, as they cut 1, 380 gross longs and added 7, 535 gross shorts.
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The copper net-short position for the managed-money accounts rose to 5, 455 contracts, the biggest short position since Nov. 29, as they have added a few gross longs and hiked gross shorts.
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In the disaggregated report, the copper net-long position for the managed-money accounts rose by a little less than 300 contracts, to 16, 438, as they cut more gross shorts than gross longs.
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In the most recent data released on Friday, the copper net-long position for the managed-money accounts in the disaggregated report rose significantly, to 22, 650 contracts, as they added 9, 691 gross longs and 1, 489 gross shorts.
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