Tesla tycoon Elon Musk was dealt a significant blow after announcing the launch of his America Party, as his dispute with ...

The world's richest man's latest political activities prompted a brutal sell-off of Tesla stock as investors question his ...

Donald Trump has shrugged off Elon Musk’s plans for a new political party as “ridiculous” — but the announcement underscored the threat the disaffected former ally poses to US Republicans defending ...