Elon Musk has become the world's first trillionaire after SpaceX's IPO. - Musk's net worth rose from $813 billion to over $1 trillion.
- Only 19 countries have GDPs larger than $1 trillion. - Oxfam criticizes the wealth gap, calling it a 'new Gilded Age.' - About 4,400 SpaceX employees may become millionaires from the IPO.
Musk's fortune now exceeds the wealth of 3.8 billion people, highlighting extreme inequality.