source:[1] History Says the S&P 500 Will Jump in 2026: 2 Magnificent Stocks to Buy Hand Over Fist Before They Skyrocket - The Motley Fool (https://www.fool.com/investing/2025/12/14/his ...)[2] Nasdaq Slides as Broadcom Forecasts Shake AI Trade - Yahoo Finance (https://finance.yahoo.com/news/todays-market- ...)[3] Wall Street Sees an AI Bubble Forming and Is Gaming What Pops It - Yahoo Finance (https://finance.yahoo.com/news/wall-street-se ...)