John Ruwitch

Four states are suing the parent company of Facebook and Instagram, alleging that the platforms were designed to hook kids and that Meta hid the mental health risks.

On their first earnings call since SpaceX's June public offering, executives said the company is pouring funds into rocket development, Starlink satellites and AI.

AI is a fast-growing business expense. Some companies are cutting costs by switching to cheaper Chinese AI models.

Investors are selling off AI-related stocks as doubts are starting to surface over whether the massive spending on AI is worth the investment and whether it's "one big bubble."

The initial public offering from the rocket and AI company raised some $75 billion, making the company one of the biggest in the world — and likely making Elon Musk a trillionaire.