Suncor Energy is trading 4.7% down in pre-market at $75.64, with retreating crude prices a possible factor. - No fresh company-specific announcement explaining the move surfaced in the available search. - Reuters reported Monday that oil prices fell as hopes of easing U.S.-Iran hostilities reduced near-term supply concerns, while regional attacks continued to pose risks. U.S. index futures were modestly higher, and available reporting did not directly attribute Suncor’s decline to a specific catalyst.