'Stupid' and 'insane': Billionaires vent over tax plan

Musk, who recently blew past Amazon founder Jeff Bezos as the world No. 1 in wealth thanks to Tesla's soaring share price, would be liable for perhaps a $50 billion tax hit under the Democratic proposal.

Tesla reaches milestone with first $1B quarterly profit

The financial milestone announced Monday extended a two-year run of prosperity that has erased questions about Tesla’s long-term viability raised during its early years of losses and production problems.