Buffett didn't end on a sour note, though. He believes in the ongoing story of the U.S. economy and made several humorous points about how lucky he feels to be an American. "If I were being born today, I would just keep negotiating in the womb until they said, 'You can be in the United States,'" he said.

Warren Buffett was asked about market volatility at the Berkshire Hathaway annual shareholder meeting. He said recent jumpiness barely registered for him.