More consolidation is needed, he told a private conference hosted by Goldman Sachs at LME Week. As it happened, Jakob Stausholm, the boss of rival mining company Rio Tinto, was also speaking at the event. Around the same time, Glencore and Rio held tentative talks about combining part or all of their business to create a $160bn mining behemoth.

When Glencore Plc proposed a combination with Rio Tinto Group a decade ago, the larger company turned it down after just a few days. News this week that the two spent several months in negotiations in the second half of last year shows how the sands have shifted,

A deal aimed at capturing a bigger slice of the metals market, the proposed $160 billion merger of Rio Tinto a Glencore appears doomed to fail