Metal miner Rio Tinto (RIO) wants to increase its production in the U.S. as President Donald Trump continues his trade war with tariffs. The company is interested in expanding U.S. copper mining ...

March 12 (Reuters) - The world's biggest iron ore producer Rio Tinto (RIO.AX), opens new tab will raise $9 billion in U.S. investment-grade bonds as it seeks to fund its recently-closed buyout of ...