From rockets to brain implants, here's a look at Elon Musk's vast empire

Elon Musk, the world's first trillionaire, oversees multiple businesses including SpaceX, Tesla, Neuralink, and X (formerly Twitter). SpaceX merged with xAI and launched a $2.1 trillion IPO, while Tesla faces competition in electric vehicles and Neuralink conducts clinical trials for brain-computer interfaces. Some ventures, like xAI and X, reported significant operational losses.