Tesla stock was hit harder than most after Trump tariffs threatened against Canada and Mexico roiled car stocks Monday, and it’s gaining less than Ford Motor and General Motors on Tuesday. Could the reason be Elon Musk?

Musk, who also runs SpaceX and a number of other companies, has been known to make big often exaggerated promises. For example, he once called the Hyperloop, which was never built, the "fifth mode of transport" and famously promised to take Tesla private in a Twitter post, saying he had secured financing that he didn't have.

Musk, who last year said “things that inhibit freedom of exchange or distort the market are not good,” became $12 billion poorer Monday.

Financial writer warns against buying Tesla, Inc. stock, citing declining fundamentals and unrealistic promises from CEO Elon Musk. Click for this TSLA update.

Tesla (TSLA) stock gained 4.1% in yesterday’s after-hours trading session fueled by CEO Elon Musk’s comments that the vehicle business would

Tesla’s latest earnings report reveals a rare sales decline and stock dip, as CEO Elon Musk’s escalating controversies and political entanglements raise questions about the brand’s long-term consumer trust and market position.