In an announcement about a new round of charitable giving, billionaire Warren Buffett passed along some wisdom about estate planning that could prove just as valuable as his investing advice. “When your children are mature, have them read your will before you sign it,” Buffett wrote .

Among Berkshire Hathaway’s largest holdings is a financial information-services company. The sector’s results speak for themselves.

Ninety-four-year old Warren Buffett is still investing, but the biggest news he's made this year has actually been his massive stock sales and the rising cash pile at his conglome