SoftBank Group Corp. shares surged to a record after it swung to a quarterly profit, an affirmation for Masayoshi Son’s bets ...

OpenAI's potential $500 billion valuation places it among the world's top companies, while intensifying competition from AI startups and Big Tech firms.

OpenAI’s soaring valuation masks a high-stakes battle against other artificial intelligence startups, Big Tech, and a ...

Klaus Vedfelt Most major stock indexes across the globe ended the week higher.