Tesla shares dropped 4% after President Trump's Truth Social post suggesting a federal investigation into subsidies for Elon Musk's companies. Trump's post implied that Musk's businesses, including Tesla, SpaceX, and Starlink, rely heavily on government support and that ending these subsidies could save the country significant funds. The post also referenced the Department of Government Efficiency (DOGE), a group Musk formerly led. The potential impact on Musk's various ventures is significant.

Prepared by Christopher Adams and reviewed by editorial team.