(Reuters) -SoftBank Group is in talks to lead a funding round of up to $40 billion in artificial intelligence developer OpenAI at a valuation of $300 billion, including the new funds, sources said, in what could be a record single funding round for a private company.

Japan's SoftBank is in talks to invest $15-25 billion in OpenAI in a deal that would make it the ChatGPT-maker's biggest financial backer, the Financial Times reported on Thursday.

Elon Musk threw shade at OpenAI’s Sam Altman on Tuesday after his rival took center stage at the White House to unveil his ambitious $500 billion “Stargate” AI infrastructure project.

Bannon tore into Musk, revealing another fissure in the MAGA world over Trump's highly touted Stargate project.

Shares of Nvidia, Broadcom, and ASML slump as China’s DeepSeek threatens the companies’ dominance in artificial intelligence, and Tesla falls ahead of earnings from the electric-vehicle giant later this week.

More Bonds of SoftBank Group Corp. About the SoftBank Group Corp.-Bond (XS2361254597) The SoftBank Group Corp.-Bond has a maturity date of 1/6/2027 and offers a coupon of 2.8750%. The payment of ...

Wall Street are pointing mostly higher in premarket trading while more corporate earnings poured in a day after the Federal Reserve opted to leave its benchmark lending rate alone

Tesla Inc. CEO Elon Musk cast doubt Wednesday on the ambitious $500 billion Project Stargate, hours after its announcement, claiming lead investor SoftBank Group SFTBY SFTBF has “well under $10B ...

Asian shares are trading mixed after Wall Street’s tech superstars tumbled as a competitor from China raised doubts over the recent artificial-intelligence market frenzy

Elon Musk is already casting doubt on OpenAI’s new, up to $500 billion investment deal with SoftBank (SFTBY) and Oracle (ORCL), despite backing from his allies — including President Donald Trump.

Stargate: Analysts have noted that Microsoft has become less willing to spend even more money financing the computing power OpenAI requires to retain a lead in AI.

Wall Street's technology superstars tumbled Monday as traders worried that a competitor from China will chill the hot market created by artificial-intelligence businesses.