US equity markets opened lower on Tuesday, with broad-based selling in the technology sector leading the decline.
The Nasdaq Composite and Dow Jones Industrial Average both slipped at the open, continuing a downturn that has persisted throughout the week.
The S&P 500 also started the session in negative territory, reflecting renewed investor caution.
The sell-off comes amid escalating tensions in the Middle East, where new attacks over the weekend have raised concerns about shipping traffic through the Strait of Hormuz.
Oil prices have risen since Friday, adding to the pressure on equity valuations as investors weigh the potential for supply disruptions and higher energy costs.
This marks the latest episode of volatility linked to geopolitical risk, following similar declines earlier in the week.