https://www.reuters.com/article/us-amazon-healthcare/amazon-berkshire-jpmorgan-partner-to-cut-healthcare-costs-idUSKBN1FJ1NF >Amazon.com Inc, Berkshire Hathaway and JPMorgan Chase & Co will form a healthcare company aimed at cutting costs for their U.S. employees, they said on Tuesday, sending shares in the broad healthcare sector sharply lower.