Oil prices edged up on Tuesday on a potential breakdown in talks between the U.S. and Iran over Tehran's nuclear program and the weakened prospects of more Iranian oil supplies entering the global market.

Shares rose in Asia on Wednesday while oil prices jumped more than 1% following a report that Israel may be planning an attack on Iranian nuclear facilities. U.S. futures were lower. A CNN report cited unnamed intelligence officials saying Israel may be preparing for an attack on Iranian nuclear facilities.

Crude oil prices rose Tuesday night, following a report that Israel is gearing up for a possible strike against Iran’s nuclear facilities.