Nvidia Q3 Earnings Preview: AI Growth & Challenges 🚀

Nvidia is set to report its third-quarter earnings after the bell Wednesday, with analysts forecasting a 56% year-on-year surge in sales. Richard Kelly, Head of Global Strategy at TD Securities, tells CNBC investors should be cautious around soaring AI valuations, but notes the tech sector's heavy investments haven't yet translated into significant GDP growth or affected the broader economy.