Warren Buffett Dumps 13% Of Apple Stake Before $110 Billion Buyback ForbesWarren Buffett Just Sold More Than 100 Million Shares of Apple, and the Reason Why Is Eye-Opening Inc.Berkshire Hathaway operating earnings soar 39% as Buffett’s cash hoard swells to record $188 billion CNBCWarren Buffett’s Talk With Shareholders: Cash Nears $200 Billion While Still High On Apple ForbesBerkshire Reports Strong Earnings and Formidable Cash Stockpile The New York Times