Elon Musk is combining rocket maker SpaceX with his artificial intelligence startup, xAI, as the merged entity gears up for a massive IPO. The deal was announced on Monday in a blog post from Musk, who said he's forming "the most ambitious, vertically-integrated innovation engine on (and off) Earth, with AI, rockets, space-based internet," and its X social media platform. The combined company is expected to price shares in an IPO that would value it at $1.25 trillion, Bloomberg reported. Public