Data center demand for copper and aluminum has lifted the half-year profit of Rio Tinto as demand fades for iron ore the company's traditional leader.

Data center demand for copper and aluminum has lifted the half-year profit of Rio Tinto as demand fades for iron ore the company's traditional leader.

Geopolitical turmoil has stoked prices for copper and aluminium, driving Rio Tinto earnings and dividends to the highest level in years.