Tesla shares have shown a sharp decrease since Elon Musk's feud with President Donald Trump which could have negative impacts on the billionaire.

Elon Musk’s bitter falling-out with President Trump could be costly for Tesla. As long as he is persona non grata in the Trump administration, Mr. Musk, the chief executive of Tesla, will struggle to persuade Republicans not to gut climate policies worth billions of dollars to the electric car and battery company.