The article discusses the decline in tech stocks, particularly Nvidia, ahead of its earnings report this week. It highlights that the tech-heavy Nasdaq Composite fell 1.2% as investors braced for Nvidia’s results, which are expected to provide insights into the AI chip market. Nvidia’s stock dropped 3.2%, while other chip stocks like AMD and Intel also declined. The article notes that the broader S&P 500 slipped 0.3%, with losses in tech and communication services offsetting gains in energy and materials. Investors are closely watching Nvidia’s earnings for clues about the demand for AI chips and the company’s ability to capitalize on the AI boom. The report is expected to shed light on the impact of AI on various industries and the potential growth opportunities for Nvidia and other chip makers.