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

Helion, a startup working to generate electricity from nuclear fusion, on Tuesday said it has raised $425 million in venture funding from a group of investors including SoftBank Group's Vision Fund 2.

SoftBank is reportedly considering a historic $25 billion investment in OpenAI, which could surpass Microsoft's stake and position SoftBank as the ChatGPT maker's largest investor.

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

The Japanese corporation SoftBank Group has shown interest in investing as much as $25 billion in OpenAI, which would make it the organization’s biggest financial sponsor. According to a Bloomberg report,

O SoftBank Group negocia para investir até US$ 25 bilhões na OpenAI, um movimento que poderia torná-lo o maior patrocinador da startup de inteligência artificial.

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.

A new investment from the Japanese conglomerate would be separate from the $100 billion tied to a project announced at the White House last week.

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