Glencore PLC is a Switzerland-based producer and marketer of natural resources. The Company produces and markets a diverse range of metals and minerals - such as copper, cobalt, zinc, nickel and ferroalloys - and markets aluminium/alumina and iron ore from third parties. The Company is a producer and marketer of coal, with mines in Australia, Africa and South America - and a marketer of crude oil, refined products and natural gas. The Company physically source commodities and...