Elon Musk has long railed against the U.S. government, saying numerous investigations and safety programs have stymied Tesla, ...

For Elon Musk fans, it’s the half-trillion dollar bet. The stock market value of Tesla has surged by that much since Donald ...

The tech billionaire, who has been a fixture at Trump's side since the election, regularly clashes with the president's supporters.

Investors are wagering that Trump will help Musk’s company more than hurt it with his plans to take an axe to reams of ...