Nvidia (NVDA), Broadcom (AVGO), and Taiwan Semiconductor Manufacturing (TSM) stocks are the top three artificial intelligence (AI) stocks to buy now and into 2026.Artificial intelligence (AI) stocks, as a group, have been among the best-performing groups in 2025, just as they were in 2024. Three AI stocks that were big winners in 2025, as of Dec. 23, and that I believe will be big winners again in 2026, are Nvidia (NVDA +3.00%), Broadcom (AVGO +2.31%), and Taiwan Semiconductor Manufacturing, or TSM (TSM +1. ...