The world's biggest iron ore producer Rio Tinto will raise $9 billion in U.S. investment-grade bonds as it seeks to fund its recently-closed buyout of Arcadium Lithium , the miner said on Wednesday.

(Reuters) - The world's biggest iron ore producer Rio Tinto is offering $9 billion in U.S. investment-grade bonds as the miner seeks funding for its recently-closed buyout of Arcadium Lithium, Bloomberg News reported on Tuesday.

Rio Tinto (NYSE:RIO) sold $9B of U.S. investment-grade bonds, as the miner raised funds for its recently-closed buyout of Arcadium Lithium, Bloomberg reported Tuesday. The debt was sold in eight parts,

Rio Tinto Group said it’s seeking to sell bonds in the US to help repay a bridging loan used to finance its $6.7 billion acquisition of Arcadium Lithium Plc.

Rio Tinto Plc sold $9 billion of US investment-grade bonds Tuesday, raising funds for its just-closed acquisition of Arcadium Lithium Plc.Most Read from BloombergNYC Congestion Pricing Toll Gains Supp

Rio Tinto Ltd (ASX:RIO) is raising $9 billion through U.S. investment-grade bonds to refinance its $6.7 billion acquisition of Arcadium Lithium PLC (NYSE:ALTM), Bloomberg reported. The debt offering,