Jane Street pulled in a record haul of $16.1 billion in trading revenue for the first three months of the year, as the Wall Street market maker benefited from bouts of increased market volatility and a jump in the value of its stakes in top AI companies like Anthropic , according to people familiar with the matter. During the quarter, the firm also more than doubled its profits to $10.3 billion, while its revenues were up more than 40% from the same period last year, the sources said, as it