Stock futures wavered before Monday's session as the escalating conflict between Israel and Iran spiked oil prices and raised investors' concerns about the global economy. Dow Jones Industrial Average futures shed 56 points, or 0.1%. S&P 500 futures lost 0.1%, while Nasdaq 100 futures traded around their flatline.

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Oil prices leaped, and stocks slumped on worries that escalating violence following Israel’s attack on Iranian nuclear and military targets could damage the flow of crude around the world, along with the global economy.

Stock futures decline before Monday's session as the escalating conflict between Israel and Iran spiked oil prices and raised investors' concerns about the global economy. Dow Jones Industrial Average futures shed 184 points, or 0.4%. S&P 500 futures lost 0.4%, while Nasdaq 100 futures dropped 0.4%.

U.S. stocks were sharply down Friday, after Israel launched strikes on Iran's nuclear sites. But major benchmarks were off their morning lows.