The DeepSeek Tech-Stock Rout Is a Signal: Diversify Your 401(k) - Barron's

1. Tech stocks fell sharply; Nasdaq down 3.1%. AAPL’s stability is questioned. 2. Investors reconsider concentration in major tech stocks due to AI competition. 3. Nvidia’s drop may indirectly affect AAPL as a competitor. 4. Market sentiment shifts; diversification is advised in portfolios. 5. Growth tech stocks face pressure; value stocks gain interest.