FTSE 100 Smashes 10,000 as AI Bubble Talk Returns to Markets in 2026
London’s FTSE 100 topped 10,000 points for the first time Friday, reaching 10,046.3 as trading resumed after the New Year. The index jumped 21.5% in 2025, its best annual gain since 2009. In the U.S., the Dow and S&P 500 ended higher, while the Nasdaq fell for a fifth straight session. Investors are watching U.S. monetary policy and the impact of AI-related spending on markets.