CNBC Daily Open: Investors had much to cheer in 2025 — but 2026's starting out rocky

A trader wears "2026" glasses on the floor of the New York Stock Exchange (NYSE) in New York, US, on Wednesday, Dec. 31, 2025.May this year prove as lucrative as 2025, when the S&P 500 rallied 16.39% mostly on the back of enthusiasm over artificial intelligence. Other highlights of last year: Google-parent Alphabet was the most magnificent of the Magnificent Seven; Colombia's stock market was the surprise leader of the MSCI All Country World Index; silver surged over 141%, outshining its sibling gold, which ...