International Business

RTZ Mining Shareholders OK Merger: Stockholders in London-based mining giant RTZ Mining Corp. overwhelmingly approved a $20-billion merger with its Australian subsidiary CRA in a move that will create the world’s biggest mining company. RTZ-CRA will become a dual-listed company and will have common boards and unified management, as well as equivalent dividends and capital rights. RTZ, which is most active in North and South America, Europe and southern Africa, is mainly interested in copper and gold, whereas CRA is a leading producer of iron ore, aluminum and coal.