Donald Trump has shrugged off Elon Musk’s plans for a new political party as “ridiculous” — but the announcement underscored ...

The stock's sharp decline also reduced $15.3 billion off Musk's net worth, according to the Bloomberg Billionaires Index.

Elon Musk, the world's richest person, has revealed his plans to enter politics in the United States. Unconfirmed reports suggested that Vaibhav Taneja, Tesla's finance chief, might become the ...