Stock market today: Dow, S&P 500, Nasdaq sink as worries on AI, US economy hit markets before Nvidia earnings

Market Overview - US stocks retreated due to concerns about an AI bubble and the broader US economy, with significant earnings reports and delayed jobs data on the horizon [1] - The Dow Jones Industrial Average fell over 1.1%, losing more than 500 points, marking its worst three-day performance since April [2] - The tech-heavy Nasdaq Composite declined nearly 1.4%, while the S&P 500 was roughly 1% lower, facing its fourth consecutive losing session [2] Cryptocurrency and Economic Indicators - Bitcoin briefly dipped below $90,000 for the first time in seven months, erasing all gains for the year, which alarmed Asian markets and contributed to a sell-off [3] - Japanese stocks experienced their worst loss since April, and 10-year Treasury yields decreased amid rising concerns about the AI bubble and the US economy [3] Company-Specific Developments - Nvidia's third-quarter results are anticipated, as investors reassess the sustainability of the AI-driven market rally; Nvidia's stock fell as much as 3% [4] - Other major tech companies, including Amazon and Microsoft, also saw declines of around 3% [4] Economic Data and Consumer Insights - The upcoming September jobs report is expected to influence expectations for the Federal Reserve's policy decisions, following a delay in official data releases due to a US shutdown [5] - ADP data indicated a slowdown in job losses in the private sector, while earnings reports from retailers like Home Depot, which cut its full-year profit guidance, are expected to provide insights into consumer strength ahead of the holiday season [6]