The Bezos-Buffett joint venture to save health care is struggling to find a CEO By: CNBC.com News May 16, 2018 at 13:05 PM EDT The Amazon, Berkshire and J.P. Morgan partnership to find grand health-care solutions remains leaderless. Read More >> Related Stocks: Aetna Amazon.com JPMorgan Chase & Co Target Corp Wal-Mart Stores, Inc.