By Charley Grant
Source: The Wall Street Journal

Corporate America has four trillion reasons to get into, and perhaps upend, the business of healthcare, but even a tech genius will find the system puzzling.

Google parent Alphabet and hospital chain HCA Healthcare struck a deal this week to develop algorithms using patient records in order to guide medical decision making and improve operating efficiency. Megabank JPMorgan Chase is building a new unit that will work on health initiatives for its employees and invest $250 million in startups and technologies meant to make their healthcare more efficient and effective. Meanwhile, retailers Walmart and Amazon are pushing into telemedicine and beefing up primary care and pharmacy offerings.

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