TOKYO -- Copper, short or long? For Australian resource giant BHP the answer to that simple question was obviously "long," as it raised its offer for copper miner OZ Minerals this month to 9.6 billion Australian dollars ($6.4 billion) from its previous offer of AU$8.3 billion.


.jpg?width=178&fit=cover&gravity=faces&dpr=2&quality=medium&source=nar-cms&format=auto&height=100)


