Lauren Hirsch and Kate Conger

Innisfree M&A says Twitter, which Elon Musk bought last year, has not paid it $1.9 million for services it rendered for the deal.

A judge in Delaware gave Mr. Musk until Oct. 28 to complete the deal. The trial, which was set to start in a little more...

The whistle-blower also said Twitter had lied to Elon Musk, who is trying to back out of a $44 billion deal to buy the social...

Most legal experts say Twitter has the upper hand. But Musk revels in brinkmanship.

The company is intent on trying to fend off the billionaire’s bid to buy it in a deal that could be worth more than $40...

The company appears intent on trying to fend off the billionaire’s bid to buy it in a deal that could be worth more than $40...