Vice President JD Vance’s initial efforts to transform a memorandum of understanding with Iran into a permanent ceasefire agreement have encountered significant resistance in Switzerland.

Reports indicate that Tehran is demonstrating the complexity of finalizing a lasting peace, suggesting that diplomatic resolution may prove as arduous as military engagement.

The stumbling block in Geneva comes after a brief period of optimism earlier this week, when markets reacted to news that the US and Iran had agreed on a diplomatic roadmap.

That development had temporarily eased the regional risk premium, but the current stalemate threatens to reverse those gains.

Investors are now reassessing the durability of the de-escalation narrative.

This diplomatic friction follows a sharp hardening of tone from the White House.