Here are how prices looked at the end of the day on Tuesday.
Comex copper prices experienced a massive sell-off in the United States on Tuesday morning due to growing warehouse stocks and market participants heading to the sidelines ahead of the Christmas holiday season.
Elsewhere in base metals, Société Minière de Boké and Singapore’s Winning Shipping plan to construct an alumina refinery in Guinea by 2022.
The balance of power in the refined zinc market will shift in 2019 when Trafigura replaces Glencore as the largest offtake partner of Nyrstar.
Glencore Canada and the Ontario Teachers' Pension Plan have formed a joint-venture base metals streaming and royalties business, BaseCore Metals, which will tie in with Glencore's marketing arm.
In the steel market, Italian long steel producer Ferriera Valsabbia intends to increase its output of rebar by 50% and has ordered new endless rolling technology to do so, according to equipment supplier Primetals.
Global demand for long steel products has improved “compared with previous months [because] exports from China are still far from putting too much pressure on the international market,” according to the International Rebar Exporters & Producers Association.
Germany’s IG Metall has asked steelmaker ThyssenKrupp to provide details of the proposed merger of its European flat steel operations with those of Tata Steel by December 22.
High steel prices in the global market are creating opportunities for adjustments in the countries where long steel-focused mill Gerdau operates, chief executive officer André Gerdau Johannpeter has said.