Japanese Prime Minister Shigeru Ishiba will hold talks with OpenAI CEO Sam Altman and SoftBank Group CEO Masayoshi Son on Monday, the Japanese government said on Friday.

Prices have likely climbed on a swift move from investors to safety due to Trump tariff threats, rising geopolitical tensions and U.S. government debt, and fear of a potential tech rout that could prompt a global selloff, Swissquote Bank said.

Citi's analysts also noted that the controller's stock buyback program is nearing its end, with approximately $20 million remaining, equivalent to about 11 days of trading volume. This factor, combined with the anticipated rise in the cost of funding following the expiration of Softbank (OTC:SFTBY)'s credit line in April 2026,

Japanese investment conglomerate SoftBank (SFTBY) intends to invest up to $40 billion in OpenAI, leaving another initial backer, Microsoft

The Japanese conglomerate is in talks to spend up to $43 billion to boost the ChatGPT developer.

SoftBank Group (TYO:9984) is in talks to lead a funding round of up to $40 billion in OpenAI, valuing the ChatGPT maker at $300 billion, sources said. If finalized, this would mark a record-breaking private funding

OpenAI is in talks for an investment round to raise nearly $40 billion that would value the AI startup at up to $340 billion, the Wall Street Journal reported on Thursday.

Shares of technology companies rose after a mixed batch of earnings. Shares of Microsoft slid after the software giant's cloud-computing unit's growth fell short of Wall Street analysts' projections.

Shares of Cipher Mining were trading higher in the after-hours market following news of a $50 million private investment in public equity deal from SoftBank Group. After the bell Thursday, shares of Cipher Mining rose 19% to trade at $5.60. The stock finished the day's regular session with a 4.4% gain, closing at $4.70.

OpenAI is in talks to raise another giant round, of about $40 billion, led by SoftBank, which would value the ChatGPT maker at $300 billion including the investment—nearly double its valuation late last year in a Thrive Capital-led

OpenAI is seeking to raise up to $40 billion in new funding at a valuation of $340 billion, the Wall Street Journal reported today.

Cipher Mining Inc. (NASDAQ:CIFR) (“Cipher” or the “Company”) today announced a $50 million investment from SoftBank Group Corp.(TSE: 9984, “ SoftBank ”), one of the world’s most prominent investment holding companies.