US Stocks End Down as Tech Dips Ahead of New Year Wall Street's main indexes ended lower Monday, kicking off the final week of the year on a softer note, as heavyweight technology stocks retreated from last week's gains that had pushed the S&P 500 to record highs. Original Source: https://www.newsmax.com/finance/economy/stocks-technology-nvidia/2025/12/29/id/1240063