The U.S. Justice Department sued on Tuesday to block travel technology firm Sabre Corp's $360 million acquisition of Farelogix Inc, saying in court papers that it was a "dominant firm's attempt to eliminate a disruptive competitor."

New quantum technologies could transform products and services in many business sectors including automotive, healthcare, infrastructure, telecommunications, cybersecurity and defence. Quantum physics is at the heart of the electronics, media, computing and infrastructure systems we use in everyday life. A second generation of quantum technologies based on new quantum effects could lead to more secure digital communication, improved construction and radical increases in computing power. The U...