This combination of photos from left shows Warren Buffett on Sept. 19, 2017, in New York, Jeff Bezos, CEO of Amazon.com, on Sept. 24, 2013, in Seattle and JP Morgan Chase Chairman and CEO Jamie Dimon on July 12, 2013, in New York. Buffett's Berkshire Hathaway, Amazon and the New York bank JPMorgan Chase are teaming up to create a health care company announced Tuesday, Jan. 30, 2018, that is