Warren Buffett donates record $6 billion Berkshire shares
By Jonathan Stempel (Reuters) -Warren Buffett donated on Friday another $6 billion of Berkshire Hathaway stock to the Gates Foundation and four family charities, his biggest annual donation since he began giving away his fortune nearly two decades ago. The donation of about 12.36 million Berkshire Class B shares boosted Buffett’s overall giving to the…