Nvidia Now Larger Than 6 Out Of 11 US Sectors—Tom Lee Says It's 'Cheaper Than Costco:' AI Stocks Still In 'Really Good Shape'

Nvidia’s market cap hit $4.8 trillion, accounting for 8.5% of the S&P 500—an unprecedented level of concentration. Fundstrat’s Tom Lee dismissed bubble concerns, citing strong AI fundamentals and predicting continued fund inflows through year-end.