A model of an UltraFan on the Rolls-Royce Holdings Plc stand on day two of the Farnborough International Airshow in Farnborough, UK, on Tuesday, July 23, 2024.British aerospace group Rolls-Royce on Thursday posted stronger-than-expected full-year earnings after undertaking a "significant" transformation and declaring a £1 billion ($1.27 billion) share buyback.Rolls-Royce, which manufactures jet engines for commercial aircraft along with power systems for ships and submarines, upgraded its mid-term guidance ...