The Dow and S&P 500 hit highs as Nvidia and AI stocks surged, but this risk is returning. Carvana led earnings movers late.
The underdog chipmaker could carve out a high-growth niche in the AI market.
The company's market cap has swelled by $740.2 billion this year, the largest increase worldwide. It makes Nvidia the third-largest company in the United States, outranking tech-giants Amazon.com Inc and Alphabet Inc and behind only Microsoft Corp and Apple Inc. Globally, it is the fourth-largest, positioned behind Saudi Aramco.