South Korean prosecutors have launched an investigation into alleged collusion among refinery companies, according to Jin10. The probe aims to uncover potential anti-competitive practices within the industry, which could have significant implications for market dynamics and consumer prices. Authorities are focusing on whether these companies have engaged in activities that violate fair trade regulations. The investigation underscores the government's commitment to maintaining a competitive market environment and ensuring compliance with legal standards. Further details on the findings and potential consequences for the involved parties are expected as the investigation progresses.