Bloomberg Air France-KLM Group Chief Financial Officer Pierre-François Riolacci announced he’s stepping down a week after a new CEO took charge, leaving the airline scrambling to find a successor amid tensions with French pilots over cost-cutting efforts. The stock dropped to a 3 1/2-year low. Riolacci will leave the carrier in November to become CFO at Danish facilities manager …

  Bloomberg Marks & Spencer Group Plc reported its steepest drop in clothing sales in eight years as new chief Steve Rowe’s efforts to win back customers with cheaper prices on leggings and fewer clearances came at a cost. Same-store sales of clothing and home goods fell 8.9 percent in the 13 weeks ended July 2, the London-based company said …

Bloomberg Deutsche Lufthansa AG’s plane-servicing business, the German airline’s most profitable unit, is more than quadrupling research and development spending to shore up its dwindling market share and fading margins. The Lufthansa Technik maintenance, repair and overhaul division is in the middle of a 200 million-euro (US$221 million), five-year R&D program that’s come up with products such as sharkskin-like fuselage …