European shares fell on Tuesday, with technology stocks leading losses as concerns over the artificial intelligence (AI) trade and escalating tensions in the Middle East dampened investor sentiment, Reuters reported.The pan-European STOXX 600 index declined more than 0.5% to 645.8 points. Germany's DAX, Spain's IBEX and Italy's FTSE MIB fell around 0.9% each by 0817 GMT.US MarketsPowered ByAs on 03 Nov 2026, 02:30 AM ISTS&P 500 Top GainersIDEXX Laboratories671.64(21.85%)Molson Coors Beverage43.23(7.75%)LKQ19.93(7.38%)Howmet Aerospace212.99(6.91%)Gainers»S&P 500 Top LosersIntel59.97(-8.80%)Oracle119.22(-8.76%)Coterra Energy32.56(-8.62%)Datadog216.10(-8.15%)Losers»According to Reuters, investor sentiment weakened after a US official said Washington had carried out strikes on Iran's Qeshm Island in the Strait of Hormuz.