Elon Musk's status as the world's wealthiest person is in no danger of changing. But since mid-December, the tech titan's net worth has declined by more than $100 billion, or approximately 25%, as a sell-off in shares of Tesla,

Tesla sales in Europe dropped by 45% in January in an EV market that went up 37%, with the Model Y switchover and Musk's controversial persona among key causes

Musk’s net worth fell almost 4% as of midday Tuesday, dropping to almost exactly $100 billion below his all-time high of $464 billion.

The White House on Tuesday revealed Amy Gleason is the acting administrator of Elon Musk's Department of Government Efficiency.