Pese a su desempeño relativamente modesto en 2026, Nvidia sigue siendo la acción más grande del mercado y representa casi una quinta parte del avance de 7,4% del S&P 500 este año.

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's earnings report on Wednesday could trigger moves across technology, semiconductor and AI-focused ETFs due to the chipmaker's dominant weight in major funds