The Wall Street Journal reports, "China's domestic stock market may be in turmoil but the country's currency, known as the yuan or renminbi, is making a seemingly relentless push deeper into the global financial system. The latest step: the London Metal Exchange, the world's largest venue for trading metals where $15 trillion of metals was traded last year, is set to accept yuan as collateral for banks and brokers that trade on its platform. The Chinese currency joins the U.S. dollar, the euro, the British pound and Japan's yen, which are all currently permissible as collateral on the LME's platform. 'In the commodities area, it makes absolute sense to start providing renminbi-denominated services,' said Trevor Spanner, chief executive of the LME's clearing house business. 'The renminbi is on its way to becoming one of the world's most widely used currencies' he said."