Bloomberg Flying taxis, once the purview of science-fiction films such as The Fifth Element, might soon be a staple of urban transport, as better batteries and innovative designs make it cheaper, cleaner, and quieter to travel short distances by air. Citigroup thinks sales of air taxis could reach $5 billion a year by the end of the next decade. Two …

Bloomberg Amazon.com said it has acquired Health Navigator, a medical technology startup, in an effort to bolster its healthcare offerings for employees. The startup will be wrapped into a clinic for workers that launched last month at the company’s Seattle-based headquarters. Called Amazon Care, the programme offers virtual and in-person consultations, and delivery of prescriptions to employees’ offices and homes. …

Bloomberg Spirit Airlines Inc agreed to buy 100 Airbus SE A320neo family aircraft, handing the European planemaker a potential order in the $11 billion range during a weak year for sales. The memorandum of understanding would include a mix of all three of Airbus’s workhorse single-aisle models, from the A319neo to the A321neo, Spirit said in a statement. If the …