SpaceX has agreed to invest $2 billion in Elon Musk 's artificial intelligence company xAI. The investment makes up nearly half of the company's recent $5 billion equity round, according to investors cited by The Wall Street Journal.

Cathie Wood and Ark Invest scooped up nearly 60,000 shares of TeslaTSLA in Friday's stock market as CEO Elon Musk seeks further cooperation between his businesses with SpaceX and potentially Tesla investing in his artificial intelligence company,

The company told workers to download employee tracking software on their personal computers, prompting privacy concerns from some staff.

A Deep Dive into the mind-blowing launch of Grok 4—the world's top AI model by xAI. Breaking down its massive implications for Tesla's FSD, robo-taxis,

Elon Musk's plans to ship an overseas power plant to Memphis for an xAI supercomputer raise both interest and environmental concerns.

Elon Musk's xAI said Grok's behavior was due to an update that caused it to prioritize engagement, even if posts contained "controversial opinions."