Tesla Erases $700 Billion ‘Trump Bump’ as Sales Slide Globally

A slide in Tesla Inc. on Friday is capping off a round trip of epic proportions in the company’s shares.

Expectations that the electric-vehicle maker would benefit from CEO Elon Musk’s close relationship with President Donald Trump made its stock one of the top gainers following the Nov. 5 election. That bet, however, has been no match for growing anxiety about Tesla’s core business of selling cars.

Tesla’s shares were down 4.6% at 11:53 on Friday, on track to erase their entire $700 billion post-election advance. The decline comes alongside a series of blows that have shaken investor confidence ...