US market today: Wall Street opens 2026 on firm note; global stocks hit records on AI-led rally

In early trade, the S&P 500 rose 0.4 per cent, extending gains after closing 2025 with a rise of more than 16 per cent. The Nasdaq composite climbed 1 per cent, driven by advances in big technology names, while the Dow Jones Industrial Average slipped 60 points, or 0.1 per cent.Buying interest remained strong in AI-linked stocks, with Nvidia and Google-parent Alphabet rising more than 2 per cent each, amid expectations that expanding use of artificial intelligence will boost demand for chips, data centres a ...