Rio Tinto (RIO) up 2.6% in early trading Wednesday after reporting its highest half-year underlying earnings in four years, as strong results from its copper and aluminum units tied to energy demand outperformed profits from its mainstay iron Rio Tinto (RIO) up 2.6% in early…
ading Wednesday after reporting its highest half-year underlying earnings in four years, as strong results from its copper and aluminum units tied to energy demand outperformed profits from its mainstay iron