Squinting in the sun with Elon Musk, Trump stood next to five Tesla vehicles, holding a piece of paper with handwritten notes about their features and costs. Trump said he would purchase a car himself at full price.

Elon Musk has faced "great difficulty" running his companies while trying to remake the US government. Some observers worry he's taken on too much.

While Tesla CEO Elon Musk isn't in any danger of struggling to make ends meet, his wealth has taken a significant hit recently as shares of the electric vehicle company tumble on the stock market. Some analysts say it's an indication that Musk's controversial comments and connection to the Trump administration are having an impact on his personal riches.