Rio Tinto Ltd (Reece Ltd (RIO share price in focusThe ASX:RIO ) share price has risen 4.2% since the start of 2025. The ASX:REH ) share price is about 13.1% above its 52-week low.Founded in 1873, Rio Tinto is today the world’s second largest metal and mining company, behind only BHP Group. Rio Tinto is engaged in minerals and metals exploration, development, production and processing.Rio can be divided into four core business units: Aluminium, Copper & Diamonds, Energy & Minerals and Iron Ore.Of the four un ...