Stock Market Today: S&P 500, Nasdaq 100, Dow Jones Futures Gain as Trump Issues Fresh Warning to Iran
Sep 21, 2026
U.S. stock futures advanced on Monday, as the Dow Jones, S&P 500 and Nasdaq 100 indices rose, following Friday’s mixed close.
Geopolitical tensions spiked over the weekend after President Donald Trump issued fresh warnings to Iran while Tehran threatened sustained retaliation against U.S. bases. Energy markets remain on high alert as persistent shipping restrictions in the Strait of Hormuz coincide with new Houthi drone and missile strikes on sensitive targets in Saudi Arabia.
With the Federal Reserve’s rate hike in the rearview, investors are turning their focus to earnings from major consumer-facing companies this week, like Costco Wholesale Corp. (NASDAQ:COST), General Mills Inc. (NYSE:GIS), and Darden Restaurants Inc. (NYSE:DRI) for insight into household spending strength. Markets will also be closely monitoring a circuit of speeches from five central bank officials for monetary policy clues, as well as Meta Platforms Inc.‘s (NASDAQ:META) developer conference for updates on its AI strategy.
Meanwhile, the 10-year Treasury bond yielded 4.96%, and the 2-year Treasury bond yielded 4.72%, at the last check. The CME Group’s FedWatch tool projections show markets pricing in a 53.1% likelihood of the Federal Reserve hiking interest rates after its October meeting.
The SPDR S&P 500 ETF Trust (NYSE: SPY) and Invesco QQQ Trust ETF (NASDAQ: QQQ), which track the S&P 500 index and Nasdaq 100 index, respectively, rose in premarket on Monday. The SPY was up 0.68% at $766.86, while the QQQ advanced 1.04% to $728.92.
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