Bloomberg Walmart Inc. is in talks with health insurer Humana Inc. for a closer partnership to provide health care to consumers at home and prevent illness, according to a person familiar with the matter. Health-care spending accounted for about 18 percent of the US economy in 2017, and continues to surge with an aging population, pricey medications, and a complex …

Bloomberg Boeing Co. said it was hit by a cyberattack, following a Seattle Times report that some manufacturing equipment used to build its 787 Dreamliner and newest 777 wide-body jets could be crippled. Aircraft production and deliveries aren’t affected, the Chicago-based planemaker said. Some reports on the attack “are overstated and inaccurate,” said Linda Mills, a spokeswoman at Boeing’s commercial …

Bloomberg Amazon.com Inc. cut ties with Washington’s biggest lobbying firm and brought on new advisers following passage of the tax overhaul bill in 2017 and in the face of new challenges in the age of President Donald Trump. The shakeup occurred a week before Trump briefly sent Amazon’s stock tumbling with a Twitter attack on the world’s largest online retailer. …