DealBook – The insider trading trial of Rajat K. Gupta has featured testimony about some of America’s most prominent businessmen — including Warren E. Buffett, the billionaire investor, and Lloyd C. Blankfein, the chief executive of Goldman Sachs.
On Wednesday at Federal District Court in Manhattan, two more boldface names were drawn into the fray: George Soros, the hedge fund titan, and Irene B. Rosenfeld, the chief executive of Kraft.
