From Lockheed Martin to Etsy, the opinions Elon Musk shares on social media affect companies' stock and share values.

Donald Trump’s team has signed some key documents needed to begin the transition, but they’re still refusing to agree to ...

Comcast has denied that it will sell MSNBC as part of a corporate restructure, but Elon Musk has shown interest in buying it.

The Tesla and SpaceX CEO turned Trump confidante has been publicly toying with buying the cable channel, which is not for ...