Three of the world's leading AI companies are preparing to sell stock publicy for the first time. Elon Musk's rocket company Space X - which owns xAI and its artificial intelligence chatbot Grok - is set to debut on the Nasdaq on Friday, targeting a share price that would value the company at $1.75 trillion. The ChatGPT creator Open AI and Anthropic - the makers of Claude - have also filed for initial public offerings - sparking massive interest from Wall Street veterans and first-time