U.S. index futures fell as conflict in the Middle East and the Federal Reserve’s hesitance to cut interest rates weighed on markets.

Calm returned to Wall Street, and U.S. stocks rallied, while oil prices gave back some of their initial spurts following Israel’s attack on Iranian nuclear and military targets at the end of last week.

Oil prices surged, stocks dropped and investors flocked to safe havens like gold on Friday after tensions between Israel and Iran escalated, stoking concerns of a broader conflict in the region.