Copper stockpiles monitored by the Shanghai Futures Exchange fell 5.8 percent this week, according to data provided by the bourse today.
Inventories dropped 7,410 metric tons to 120,426 tons, based on a survey of seven warehouses in Shanghai, the exchange said on its website.
Stockpiles of aluminum declined for a second week to the lowest in more than seven months, losing 3,077 tons to 441,622 tons, based on a survey of 12 warehouses in Shanghai, Guangdong, Jiangsu and Zhejiang, the exchange said.
Zinc stocks gained for a third week, adding 5,207 tons to a record 308,683 tons, based on a survey of nine warehouses in Shanghai, Guangdong and Zhejiang, the bourse said.
Natural-rubber inventories increased for a third week, rising 4,133 tons to 65,340 tons, based on a survey of 10 warehouses in Shanghai, Shandong, Yunnan, Hainan and Tianjin, the exchange said.
--Helen Sun, with assistance from Alfred Cang. Editors: Richard Dobson, Jake Lloyd-Smith.