AI stock swings could affect your 401(k). Here’s what retirement savers need to know

AI-related stock volatility this week may impact retirement portfolios, especially 401(k)s invested in S&P 500 index funds heavily weighted toward tech giants like Nvidia, Apple, Microsoft, Alphabet, and Amazon. These companies represent about 30% of the S&P 500, so fluctuations in their stocks can significantly affect investors, even those without direct AI stock holdings. AI exposure also extends to suppliers of AI infrastructure across various sectors, including industrials and small-cap, not