Acacia Mining on Thursday hit back at parent company Barrick Gold Corp's allegation the miner was an obstacle to solving a long-running tax row in Tanzania.
The world's largest steelmaker cut its forecast for demand in its main market Europe on Thursday after lower steel prices depressed earnings at the start of the year.
In April, Rusal landed a major equity and supply deal with Braidy Industries, which is building the first greenfield aluminium rolling mill in the United States in 37 years.