Major stock indexes closed mixed Monday as markets reacted to fighting in the Middle East, while oil and gold futures advanced.

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.

Oil prices leaped on worries that war with Iran could clog the flow of crude, while U.S. stocks swung from sharp losses to small gains.

The Dow, S&P 500, and Nasdaq fell Friday as the stock market grappled with AI concerns and fears over U.S. talks with Iran.

Stock Market Today: The major indexes remain positive after wavering earlier in the session. A vaccine stock bolts higher.

Investors shrugged off recent AI-disruption concerns and pushed all three major U.S. stock indexes higher on Wednesday. Nvidia's earnings are due after the closing bell.

As of 1:20 p.m. ET, the Nasdaq Composite ( ^IXIC 1.32%) index dropped 1.9% lower while the S&P 500 ( ^GSPC 0.64%) fell 1.1%. The Dow Jones Industrial Average ( ^DJI 0.04%), on the other hand, only slipped 0.4% lower: