US stock futures drifted lower as Wall Street faced a new wave of uncertainty around President Trump's economic agenda.

U.S. stock-index futures fell sharply late Thursday, part of a global market shockwave that followed Israel's massive military strike aimed at crippling Iran's nuclear capabilities. Tehran has vowed retaliation after the strikes,

The major averages posted modest gains on Thursday, placing them on track for a winning week. Softer-than-anticipated inflation reports helped lift stocks.

Futures on Wall Street have tanked following reports of Israel's strikes on Iranian locations, also leading to a surge in crude oil prices. The Dow futures are down 600 points, while the S&P 500 and Nasdaq futures are down 100 and 400 points respectively.

A strong jobs report on Friday added more fuel to a rally that has lifted the S&P 500 to within 2.4% of its all-time high.

Stocks were under pressure around the globe, with U.S. index futures down sharply after Israel launched strikes across Iran that it said were aimed at crippling the country's nuclear program. Oil prices soared,

The S&P 500 finished higher on Tuesday for a third straight session, with trade talks between the U.S. and China still ongoing in London.