Bloomberg General Electric Co. has completed its initial design for the first commercial supersonic aircraft engine in decades, a major hurdle for developing private planes and, perhaps eventually, jetliners that fly faster than the speed of sound. The twin-shaft, twin-fan design will slash travel times by hours after 50 years in which the average speed of private jets has increased …

Bloomberg As Sears Holdings Corp goes through bankruptcy, retail landlords wondering how they could be impacted might want to look at a 2015 deal. Mall owner Macerich Co struck an agreement that year with the struggling department-store operator to redevelop a 300,000 square-foot store at Kings Plaza Shopping Center, a high-traffic mall in Brooklyn, New York. Three years and $100 …

Bloomberg US retail sales rose less than forecast in September, as a broad-based increase was overshadowed by a drop in restaurant receipts that may reflect the impact of Hurricane Florence. The value of overall sales rose 0.1 percent for a second month, compared with the median forecast of economists for a 0.6 percent gain, Commerce Department figures showed. So-called retail …