Warren Buffett.

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Warren Buffett's Berkshire Hathaway is so large it's causing headaches for federal judges. Judges who own Berkshire's stock don't always realize one of its subsidiaries is in their court. A federal judge described it as a "thorny" problem and a "conflict nightmare."

Warren Buffett has acquired scores of businesses across dozens of industries during the nearly six decades he's been runningĀ Berkshire Hathaway.

The vast scale of the investor's...

Continue Reading Warren Buffett's Berkshire Hathaway is so big that it's sparking conflicts of interest — as judges who own its stock don't always realize when a case involves a subsidiary