Rio Tinto reported a 5% fall in its first-quarter iron ore shipments on Wednesday, missing estimates, because of weather disruptions at ports and reduced production from some of its Western Australian mines.
US and British sanctions imposed on Russian nickel, copper and aluminum will further increase price volatility and supply uncertainty, Russian metals-producing giant Norilsk Nickel said on Tuesday.
Australian explorer Aston Minerals (ASX: ASO) has updated the JORC compliant indicated tonnage estimate at the Boomerang nickel-cobalt sulphide system by 44%.