Financial experts discuss the unparalleled gains of tech companies and their impact on global investment returns, highlighting a stark contrast between the US and European markets. While the S&P 500 has risen almost 25% this year, Europe lags far behind, with the Eurostoxx 50 up just 6% and the Swiss index SMI at a mere 4%. Key factors include the dominance of tech giants like Apple and Amazon, advances in artificial intelligence, and economic conditions that have weakened Europe’s competitive edge.