Markets brace for return to all-out war in Iran amid rising U.S. death toll, while former NATO commander warns Suez Canal could be next

(Credit: U.S. Marine Corps photo by Lance Cpl. Victor Gurrola)

Stock futures were mixed Sunday evening and oil prices continued to climb as the deaths of American service members over the weekend added more fuel to the U.S.-Iran war.

Futures tied to the Dow Jones industrial average fell 61 points, or 0.12%. S&P 500 futures were down just 0.05%, but Nasdaq futures were up 0.08%.