FinanceBig Oil cash flow could top $100 billion in third quarter. Which supermajor will come out on top?Analysts see ‘positive earnings momentum’ underpinned by ‘fragility’ of global energy marketsRefining boon: Chief executives Josu Jon Imaz of Repsol; Anders Opedal of Equinor; Patrick Pouyanne of TotalEnergies and Wael Sawan of Shell.Photos: REPSOL/JEFF GILBERT/DN/TOTALENERGIES/AP/SCANPIXDavide GhilottiLondon