Bret Taylor, the chairman of OpenAI’s board, said the artificial intelligence company was “not for sale.” Mr. Musk is separately raising money for his A.I. start-up, xAI. By Cade MetzMike ...

Banking giant JP Morgan is forcing its staff in the UK to return to the office five days a week from next month, according to reports. Chief executive Jamie Dimon is said to be set on workers ...

Concerns about a trade war knocking the global economy have taken the heat out of oil prices for three weeks on the trot. But, Brent crude is trading up this morning at $75 a barrel, despite the ...