Tesla warned of the hit to its bottom line from tariffs, while SpaceX complained that foreign trade barriers affect its Starlink internet satellite service.

Tesla (TSLA) has lost about half of its market value, or $800 billion, due to the recently market selloff and its own struggling business. But its CEO Elon Musk remains the world’s wealthiest person,

Elon Musk’s SpaceX is pushing the US to address the trade barriers faced by Starlink’s satellite communication service in foreign countries. The company argues that its competitors from foreign countries have no such import restrictions in the United States.