US stock futures fell on June 22, 2026, finding little support from lower oil prices. This dip occurred as signs of diplomatic progress between the US and Iran emerged, with negotiators agreeing on a roadmap for a final deal. The S&P 500 was set for a weaker open, with contracts dipping 0.2%. Brent crude dropped 1.7% towards $79 a barrel, while the dollar edged 0.1% higher. Treasuries fell across the curve following Friday’s US holiday.

Traders also monitored the political instability in the UK after Prime Minister Keir Starmer announced his resignation. The pound briefly touched a 2026 low before trimming losses, and gilts steadied after a two-day slide. Despite President Donald Trump's threats to strike Iran if Hezbollah militants continued attacking Israel, oil traders were comforted by evidence of progress in Middle East talks. A communication line was established to avoid incidents and ensure safe passage for commercial vessels through the Strait of Hormuz.

In corporate news, SpaceX shares slid as much as 4.6% in premarket trading, heading for a third consecutive loss. Conversely, Getty Images Holdings Inc. soared more than 300% after securing a display partnership with OpenAI, the owner of ChatGPT. Bitcoin saw a slight increase of 0.4% to $64,037.98, and Ether rose 1.5% to $1,444.3.