Bloomberg Floating almost motionless at an altitude of 70,000 feet, Airbus SE’s Zephyr spy drone has extended the record for the longest flight within the Earth’s atmosphere to 25 days, two-thirds more than the previous best. The first production version of the solar-powered pseudo-satellite spent more than three weeks in the stratosphere on its maiden trip after taking off from …

Bloomberg Americans last year bought about $200 billion worth of stuff from Amazon and its Whole Foods grocery stores. That figure is based on a Bloomberg Intelligence estimate that Amazon sold about $300 billion in merchandise in 2017 and the company’s report that two-thirds of its revenue comes from the US. If that’s accurate, Amazon.com Inc. captured about 5 percent …

Bloomberg Dad shoes are clunky, ugly — and the hottest trend in footwear, clomping down the runway at recent shows by luxury houses Louis Vuitton and Balenciaga. The bulked-up sneakers, which can retail for hundreds of dollars a pair, also represent a major challenge for athletic-shoe makers unaccustomed to the volatile world of high fashion. Until recently, companies such as …