Shares of Rio Tinto PLC RIO advanced 1.79% to £48.06 Thursday, on what proved to be an all-around favorable trading session for the stock market, with the FTSE 100 Index UKX rising 0.83% to 8,319.69.

Rio Tinto's acquisition of Arcadium positions it as a major lithium player. Read how Rio Tinto stock may benefit from potential revenue growth as lithium prices recover.

Arcadium Lithium plc (NYSE: ALTM, ASX: LTM, "Arcadium Lithium"), a leading global lithium chemicals producer, announced that the Committee on Foreign Investment in the United States (CFIUS) has concluded its review of the proposed acquisition of Arcadium Lithium by Rio Tinto (previously announced on October 9,

Shares of Rio Tinto PLC RIO rallied 1.20% to £47.22 Wednesday, on what proved to be an all-around great trading session for the stock market, with the FTSE 100 Index UKX rising 0.07% to 8,251.03. Supported by world-class markets data from Dow Jones and FactSet,

Arcadium Lithium (ALTM) surged over 8% in mid-day trading on Wednesday following news that the Committee on Foreign Investment in the United States (CFIUS) approved its acquisition by Rio Tinto (RIO).

Arcadium Lithium (NYSE:ALTM) +7.9% pre-market Wednesday after saying the Committee on Foreign Investment in the United States cleared the company's proposed acquisition by Rio Tinto (RIO), determining that there are no unresolved national security concerns.