OpenAI has made headlines by becoming the world's largest startup, achieving a staggering $500 billion valuation after allowing employees to sell shares. This milestone is significant as it highlights the growing influence and financial power of AI companies in the tech landscape. In related news, Tesla has set a new record for vehicle sales globally, driven by a surge in purchases before US tax credits expired. Additionally, Microsoft is making strides in the cloud sector with over $33 billion in commitments to neocloud providers, addressing the increasing demand for AI data center capacity.