(FILES) Then ACI Group CEO Philippe Riviere waits at the commercial court ahead of a hearing concerning the industrial group's debts, in Lyon, central-eastern France, on December 9, 2025. The former president and co-founder of ACI Group has been placed under formal investigation on suspicion of economic and financial offenses, the Lyon public prosecutor's office said on October 9, 2026. (Photo by OLIVIER CHASSIGNOLE / AFP via Getty Images)