Key Takeaways

Tesla ( TSLA ) shares ended the week 10% lower, in their seventh straight week of declines.

Since closing at a record high of $479.86 on Dec. 17, the stock has lost nearly half of its value, closing Friday at $262.67. It's also given back nearly all its post-election gains.

The electric vehicle maker has seen its share price fall every week since President Trump's inauguration in January, amid souring brand sentiment with CEO Elon Musk leading efforts to trim government spending as part of his role in the new Department of Government Efficiency .

This week’s losses also came amid worries about slowing sales in China and declining registrations in Europe, as well as widespread market uncertainty around tariffs.

Tariffs on Canada and Mexico, which Trump imposed this week before later announcing delays , could "pose significant risk" to North American automakers including Tesla , Bank of America analysts said recently.

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