SEOUL: South Korean refiners reported on Monday (Nov 4) sharp losses in the third quarter from oil refining, but expect their margins to recover in the fourth quarter with peak winter demand and refinery run cuts in Asia. SK Innovation, parent of South Korea's largest refiner SK Energy, said the July-September quarter operating loss for its refining business was 616.6 billion won (US$450.2 million), its largest loss since the fourth quarter of 2022. Declining oil prices amid concerns over