As the largest U.S. company by market cap, Nvidia has the single biggest influence on stock indexes like the S&P 500.

Nvidia accounted for 15.5% of the S&P 500's total return in 2025, with projected Q4 revenue of $65.7B. Here's what that concentration means for investors.

As the largest U.S. company by market cap, Nvidia has the single biggest influence on stock indexes like the S&P 500.

Shares in Nvidia will come under scrutiny tonight as the chipmaker attempts to justify one of the biggest stock market rallies ever seen

Jensen Huang reframes his chip empire.