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Oil Tycoon Harold Hamm Just Got $2 Billion Richer in One Day

Harold Hamm
Harold HammPhotographer: Bloomberg/Bloomberg

Billionaire oil baron Harold Hamm just had a very big day.

Shares of his Continental Resources Inc. surged 22% Monday, the most since 2016, adding $2 billion to his net worth, more than anyone else in the 500-member Bloomberg Billionaires Index.