Dow, S&P 500 snap losing streak as chip and AI stocks kick off 2026 with a rally
The Dow rose 0.7% and the S&P 500 gained 0.2% on the first trading day of 2026, led by a 4% jump in semiconductor stocks. The Nasdaq slipped, dragged by declines in Tesla after weak delivery data and losses in big tech. Baidu surged 15% after its AI chip unit filed for a Hong Kong listing. President Trump delayed tariff hikes on some furniture and cabinets for a year.