https://www.cnbc.com/2018/01/30/amazon-berkshire-hathaway-and-jpmorgan-chase-to-partner-on-us-employee-health-care.html

Amazon, Berkshire Hathaway, and JPMorgan Chase on Tuesday announced plans to partner on ways to cut health-care costs and improve services for their U.S. employees. The announcement slammed the shares of multiple companies in the health-care sector.

Together, the three companies employ more than 1.1 million workers.