What’s Europe’s most profitable airline? Air France-KLM, whose premium passengers sleep in private suites with memory-foam mattresses, dine on Joël Robuchon dishes and have private jets at their disposal? Or Ryanair Plc, which offers flights starting at 10 euros and whose chief executive officer has mused about charging passengers for toilet visits? No prizes for guessing it’s Ryanair. Trailing 12-month ...

For years, mobile phone owners have had access to just one digital assistant — Siri on an iPhone, Google Now/Google Assistant on an Android device, Cortana on a Windows one. Now that’s changing as multiple assistants proliferate to multiple phones. It sounds like an epidemic case of multiple personality disorder but it’s actually a step toward a future in which ...

RIYADH / AGENCIES Saudi Arabia’s energy minister said on Sunday that extending the current agreement on global oil supply cuts until March next year, and adding one or two small producers to the pact, should be enough to reduce oil inventories. “We believe that continuation with the same level of cuts, plus eventually adding one or two small producers … ...