Warren Buffett, one of the most successful investors ... According to Kelley Blue Book, most new vehicles have a 20% drop in value in the first year. So instead of buying a new car, Buffett ...
buying shares of Berkshire Hathaway stock hasn't always been easy for Warren Buffett. Prior to July 2018, shares could only be repurchased if Berkshire's stock fell to or below 120% of book value.