Copper is set to end a volatile week lower on Friday, as rising inventories and a stronger US dollar pressured the market. The most-traded copper on the Shanghai Futures Exchange declined 2.07% to 100,380 yuan ($14,463.98) a metric ton by 0310 GMT, and was set to end the week 7.34% lower. It slipped as much as 4.47% to 97,920 yuan earlier in the session. The benchmark three-month copper on the London Metal Exchange dropped 0.59% to $12,827.50 a ton, poised for a 2.52% weekly drop. It previously tumbled as much as 2.91%. Copper joined gold and silver in a broader correction, as investors unwound long positions after ... (full story)