European stocks open lower amid U.S.-Iran tensions

Investors are reacting to renewed geopolitical uncertainty as European markets start the week in negative territory.

By Handelsavisen Newsroom · Automated 2026-05-18 05:07 UTC · 1 min read

European stock markets opened in negative territory on Monday, with the Stoxx 600 and major indices like the FTSE 100 and DAX all trading lower.

The decline reflects growing pessimism about a swift resolution to the ongoing U.S.-Iran tensions, which have been a persistent source of market anxiety.

2% lower, while Germany's DAX is also expected to trade in negative territory.

CNBC reported that the U.K.'s FTSE 100 index is seen opening 0.2% lower, while Germany's DAX is also expected to trade in negative territory.

The broader is being shaped by the latest developments in the U.S.-Iran conflict, which have raised concerns about potential disruptions to global trade and energy markets.

The stalled peace talks between the U.S. and Iran have left markets exposed to sudden shifts in risk appetite, with energy prices and regional stability remaining key concerns.

Investors are now watching for further developments in the U.S.-Iran situation, as well as any potential policy responses from European governments and central banks.