London's FTSE 100 opened in negative territory on Tuesday, extending the global equity decline that has gripped markets since Monday's session.
The benchmark index faced headwinds from a broad-based sell-off in the technology sector, which dragged down sentiment across European trading floors following a weak close on Wall Street.
The tech-led weakness was compounded by renewed volatility in energy markets.
President Donald Trump's public criticism of major oil companies, coupled with ongoing tensions surrounding the Strait of Hormuz, has kept risk premiums elevated in crude.
Investors remain wary of potential supply disruptions as geopolitical rhetoric intensifies, with Trump previously threatening drastic measures against Iran following the closure of the strategic waterway.
The cross-asset reaction highlights the fragility of current market sentiment.