Nvidia's recent earnings report has sparked optimism in the U.S. stock market, with JPMorgan traders suggesting it could reignite bullish sentiment. The report, highlighting Nvidia's success in artificial intelligence, led to significant gains in the S&P 500 and Nasdaq 100 indexes. This positive outcome aligns with JPMorgan's prediction that Nvidia's performance could overshadow concerns about Federal Reserve interest rate cuts, potentially leading to a decoupling of stocks and yields. Nvidia's market cap approached $2 trillion, underscoring the company's growing influence and the market's confidence in its long-term potential.