European mega-cap stocks are significantly underperforming compared to the US 'Magnificent Seven' tech stocks, with year-to-date gains of only 7.6% and 0.6% for the 'Eurostars' and 'GRANOLAS', respectively. The gap is attributed to the absence of an AI boom in Europe, structural market differences, and external challenges like exposure to China's economic slowdown and geopolitical tensions. Experts suggest that investors should consider geographical diversification. Teljes cikk (Euronews.com)