Both companies were back at it on Tuesday, announcing deals that once again added billions in value to public companies.

Trump-Xi meeting nears, PayPal stock gets a lift, U.S. throws weight behind nuclear power, and more news to start your day.

Launched as an Artificial intelligence (AI) startup, OpenAI has overtaken SpaceX to become the world's most valuable company, ...

Here are seven unusual financial agreements helping to drive the ambitions of the poster child of the A.I. revolution.

A news report about OpenAI exploring Google's AI chips prompted Nvidia CEO Jensen Huang to secure a massive $100 billion ...

Every market cycle has its own myths, and Nvidia is the main actor in this one. Investors trust the business to make the AI ...

Veteran Silicon Valley investor and TiE co-founder cautions that soaring AI valuations and unrealistic expectations could trigger a sharp market correction — echoing the crashes of 1987 and the ...

Microsoft and OpenAI announced a restructuring deal on Tuesday that frees the ChatGPT maker to move away from its nonprofit ...

OpenAI said Tuesday it has reorganized its ownership structure and converted its business into a public benefit corporation ...

Nvidia has become the first $5 trillion company, just three months after the Silicon Valley chipmaker was first to break ...

Nvidia (NASDAQ: NVDA) has been one of the best artificial intelligence (AI) stocks to own since the AI arms race kicked off ...

OpenAI is considering filing with securities regulators as soon as the second half of 2026, people familiar with the matter ...