At Berkshire Hathaway’s annual meeting earlier this year, Warren Buffett showed just how much of a fan he is of Apple’s CEO, Tim Cook. “Tim Cook has made Berkshire a lot more than I have made Berkshire,” Buffett said to laughter in the room. It was funny, but considering that Apple is Berkshire’s largest holding, I don’t think it was hyperbole.

Thanks partly to Bogle, Buffett once won a $1 million bet that a Vanguard S&P index fund would outperform a selection of top hedge funds.

Internet investing sites and tips give people a false — and costly — sense of their abilities, studies show. Legendary investor Howard Marks has a solution.