Bloomberg Less is sometimes more. The private banking arm of Germany’s cooperative lenders, a group of around 900 local banks with total assets of 891 billion euros ($1 trillion), has almost halved the number of customers while also nearly doubling assets under management within a few years. DZ Privatbank now takes care of more than 18 billion euros for the …

Bloomberg Timely delivery of Lockheed Martin Corp’s $29 billion CH-53K King Stallion helicopter for the US Marine Corps may be jeopardised by a potential shortage of specialised metal components two years after the bankruptcy of a key supplier. In an illustration of how even the biggest defense contractor depends on its supply chain, the Navy’s aircraft development and acquisition command …

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 …