Bloomberg Southwest Airlines Co. said it would investigate the cause of an operational emergency that’s seen an “unprecedented number” of aircraft taken out of service for mechanical issues, and indicated the groundings may be related to ongoing contract talks with a labour union. The disruptions started February 12, days after the airline’s last contract talks with the Aircraft Mechanics Fraternal …

Bloomberg Flybe Group Plc said American Airlines-backed Mesa Air Group Inc. has launched a counter-bid for its business, leading the stock to more than double in price. The approach from Phoenix, Arizona-based Mesa and New York private-equity firm Bateleur Capital LLC is “preliminary and highly conditional,” Exeter, England-based short-haul carrier Flybe said in a statement on Wednesday, without revealing how …

Bloomberg Chinese regulators have proposed easing a major solar power subsidy policy announced last year, according to the nation’s main industry group, a move which would partially reverse rules that undercut demand in the world’s biggest user and shook the global market. Policy makers are starting approvals again for utility-scale, ground-mounted projects that receive subsidies, which were halted in June …