Elon Musk has become the world's first half-trillionaire, Forbes magazine reported on Wednesday.

The Tesla and SpaceX CEO's net worth hit $US500.1 billion ($755 billion) on Wednesday, before dipping back to $US499.1 billion, the publication's "Real-Time Billionaires" tracker reported.

Larry Ellison briefly overtakes Elon Musk as world's richest person Photo shows Larry Ellison sitting in a room at the White House

The switch in the ranking comes after a blockbuster earnings report from Oracle, powered by multi-billion-dollar orders from customers as the AI race heats up.

Mr Musk became the world's richest person for the first time four years ago, but briefly lost his title this September to Larry Ellison, the co-founder of information technology company Oracle.

Mr Ellison's wealth s

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