Warren Buffett was right about the S&P 500 -- 17 years ago

They call him the Oracle of Omaha, but this is getting ridiculous. On Nov. 22, 1999, Warren Buffett, the billionaire investor and chairman of Berkshire Hathaway, made a long-shot prediction: Over the next 17 years, the S&P 500 index would return a measly 6 percent, not counting fees, if they invested all their dividends. The...