Berkshire Hathaway mogul Buffett, worth $150 billion, says kindness is more golden than big bank accounts. He still eats at McDonald’s, and says luxury purchases wouldn’t make him happier.

Buffett, who converted $1.35 billion of his Berkshire Hathaway shares to family foundation donations on Monday, has made promises to donate his wealth to charitable causes once he dies. He’s stepping down as CEO of Berkshire at the end of the year.

Warren Buffett says he’s giving away about $1.4 billion to four family foundations in the weeks before he retires, then will eventually give away the rest of his $150 billion fortune.

Warren Buffett has impressed investors over time with his investing strategy -- and its results. The billionaire has delivered market-beating returns over almost 60 years. Most investors admire Warren Buffett as he's proven his investing expertise over many decades.

The Berkshire Hathaway billionaire says his longevity has led to “unavoidable consequences” for his charitable objectives.

Warren Buffett says he'll keep penning letters, and speed up his giving but retain a big Berkshire stake until his successor wins over shareholders.

These three longtime Warren Buffett favorite stock picks are likely to stay in the Berkshire Hathaway portfolio long after he steps down.

Diane Brady digs into Warren Buffett’s ‘farewell’ letter. The big story: SoftBank sells its Nvidia stake. The markets: Mixed, with U.S. futures down. Plus: All the news and watercooler chat from Fortune.