March S&P 500 E-Mini futures (ESH26) are down -0.15%, andMarch Nasdaq 100 E-Mini futures (NQH26) are down -0.14% this morning, giving up earlier gains driven by President Trump’s remarks on the Iran war as Treasury yields climbed.

Why are US stock market index futures down today and Dow Jones, S&P 500 and Nasdaq in red now? Wall Street futures moved lower as investors reacted to Middle East war developments, rising oil prices and inflation concerns.

Oil futures settled sharply lower on Tuesday, extending losses from the overnight session, as world leaders considered releasing emergency crude supplies with the Iran conflict stretching into an 11th day.

The Dow and S&P 500 fell, while the Nasdaq was flat Tuesday. The stock market reacted to lower oil prices and President Donald Trump's comments about the war with Iran.

Oil surged past US$100 per barrel amid Middle East tensions, with stock futures dropping as supply disruptions and storage concerns intensified.

The S&P 500 and the Nasdaq clocked losses in the last session, with the Nasdaq closing below its 50-day moving average for the 17th straight session. The closely followed moving average is seen as a proxy for the intermediate-term trend.

Trump said over the weekend he will raise a temporary universal tariff on imports to 15% from 10%, just days after the Supreme Court found he exceeded his authority in declaring an economic emergency to impose a swathe of trade tariffs.

Stocks recovered on Monday after tumbling earlier in the day over concerns that the U.S.-Israel attacks on Iran could drive up energy costs.

Why are US stock market index futures down and Dow Jones, S&P 500 and Nasdaq in red today? Wall Street futures fell more than 1% as Middle East conflict widened. Oil prices rose. Gold gained. Treasury yields hit lows.