Vedanta Resources said Thursday its Zambian subsidiary KCM plans to set up new copper smelter, cobalt refinery and more under a $1 bln investment programme.
Demand for physical gold picked up in most Asian centres this week as prices fell, but drop in local rates to four-month lows failed to lure buyers in India.
One of China's top copper smelters has reduced production by 20-30 percent to comply with winter output restrictions, a company official said on Thursday.