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LONDON.- Copper closed with a new upswing today of 3.45% at the London Metal Exchange (LME) after trading for $ 3.33436 U.S. dollars per pound of "grade A", this compared to $3.22323 U.S. dollars on Tuesday and $ 3.13682 U.S. dollars on Monday.
As a result, the monthly and yearly average rose to $ 3.15958 U.S. dollars.
Today's value is the highest for the red metal since November 7th of 2007, when it traded for $ 3.37972 U.S. dollars.
The future-3-month price ended at $ 3.34320 per pound, up 3.22% from Tuesday ($ 3.23888).
At the LME, stocks decreased by 225 metric tons to 200,750. So far this year, an overall increase of 3,300 MT (+1.67%) has been accumulated.