Nvidia’s moment of truth: With AI bubble fears and China uncertainty, global markets brace for Nvidia earnings

Nvidia’s earnings aren’t just about Nvidia anymore. The $4 trillion chipmaker’s quarterly financials have become a litmus test for the AI boom—and, by extension, for the whole stock market. Constituting 8% of the market cap-weighted in S&P 500 Index and with an unrivaled grip on the chips that…