MELBOURNE, March 18, 2026, 08:29 AEDT BHP Group shares rose after the miner filed for environmental approval for a new ore-processing plant at its Escondida mine in Chile and moved its Resolution Copper venture in Arizona a step closer to development. The stock ended Tuesday up 1.1% at A$49.73 in Sydney. (MarketScreener) The moves matter because BHP is leaning harder on copper just as its iron ore business faces fresh friction in China. In February, the miner said copper generated 51% of operating earnings in the half year, the first time it had overtaken iron ore. (Reuters) BHP said the