Why Nvidia's Earnings Matter for the Markets

The big market event this week is Nvidia's earnings report, due out this Wednesday. Nvidia, a a $4 trillion company, made up roughly 8% of the S&P 500 market cap, as of Friday, the largest in the index. Investors expect the S&P 500 to move 0.82% in either direction on Aug. 28, 2025, the day after Nvidia reports earnings, according to options market data.