Metal Bulletin rounds up some of the key news and price moves across the global metal markets this week.
Base metalsSwitzerland-based Tiberius Group is making a return to base metals trading under the helm of former TMT Metals head trader Arefe Khosravi, with a focus on refined aluminium, several industry sources have said. Unionized workers at Antofagasta's Los Pelambres mine in Chile have voted to strike, rejecting the latest offer for a collective labor agreement from the miner. The US Midwest aluminium premium has seen a growth in volatility over the past couple of years, which only stands to increase in the coming months and years.The largest zinc delivery in nearly five years has swung zinc's London Metal Exchange cash/three-month spread into contango for the first...