South32 tumbles after $818 million alumina, nickel writedown
Copper production for the three months to June 30 also fell 14% from the year before.
Rio Tinto Alcan has today announced an investment of US$140 million in a leading-edge casting facility to produce value-added billet at its aluminium smelter in Straumsvik, Iceland (ISAL), bringing total investment announced in recent weeks in ISAL to US$487 million. Read more
