Money Minute Buffett, Yahoo, E-mail In a huge vote of confidence for Goldman Sachs, Warren Buffett's Berkshire Hathaway will buy $5 billion in preferred stock in the investment bank and also got warrants to buy another $5 billion in common stock The AP's Mark Hamrick reports (Sept 23)... Tags : wallstreetminutebuffettyahooemail Views : 618 This video added by AssociatedPress .