A secretive technology investment group that is a top backer of Elon Musk’s companies will close to external investors, after racking up such big gains that it is no longer dependent on outside financing.

Musk's business ventures have turned him into the wealthiest person. Although he has many companies, none of them have impacted his wealth more than Tesla.

Neuralink labeled itself in April as a “small disadvantaged business” in a federal filing with the U.S. Small Business Administration.

The announcement comes after FedScoop reported on the General Services Administration’s interest in the tool late last week.

Grok’s pro-Hitler ranting didn't disqualify it from a $200 million defense contract. With Pete Hegseth running the DoD, why would it?

Ani, an anime avatar wearing a tight black dress, was launched the same day the tech billionaire was awarded a $200 million Department of Defense contract.

Built using huge amounts of computing power at a Tennessee data center, Grok is Musk's attempt to outdo rivals such as OpenAI's ChatGPT and Google's Gemini in building an AI assistant that shows its reasoning before answering a question.

Elon Musk's artificial intelligence company xAI is apologizing for a series of violent and antisemitic posts from its chatbot "GROK" earlier this week.