OpenAI Chief Executive Officer Sam Altman said he’d “love” to help build a European Stargate, though the continent’s ...

This is a developing story. Check back for updates. Softbank is close to finalizing a $40 billion primary invest in OpenAI at $260 billion pre-money valuation, sources told CNBC’s David Faber.

Ishiba, who took office in October, will be just the second world leader to visit the White House during Trump's new term.