Glencore Xstrata Plc CEO Ivan Glasenberg

Glencore Xstrata Plc CEO Ivan Glasenberg

Capitalvoice via Bloomberg

Ivan Glasenberg, chief executive officer of Glencore Xstrata Plc, left, signs a document with Nicky Newton-King, chief executive officer of JSE Ltd., during an event to mark the start of trading at the Johannesburg Stock Exchange in this handout photo in Johannesburg, South Africa, on Wednesday, Nov. 13, 2013. Glencore Xstrata Plc, the global metals producer and commodities supplier that started trading in Johannesburg today, will draw strong demand for its stock from South African investors, according to Investec Asset Management.