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.

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.

Nvidia reports results on Wednesday, as an exceptionally strong first quarter for U.S. corporate profit growth winds down.