Stock market today: AI bubble fears, rate cut probability whipsaw ‘Mag 7' tech giants. Here's the latest

Core Insights - Nvidia reported strong third-quarter earnings with revenue of $57.01 billion and adjusted earnings per share of $1.30, both exceeding Wall Street estimates [3] - The company anticipates fourth-quarter revenue of $65 billion, surpassing analysts' predictions of $62 billion [3] - Despite Nvidia's success, investor concerns about an AI bubble and the Federal Reserve's potential rate cut influenced market volatility [4] Market Reactions - Following Nvidia's earnings report, shares rose nearly 5%, contributing to gains in other major tech stocks known as the "Magnificent Seven" [2][3] - The Nasdaq Composite experienced significant fluctuations, closing at $22,078.05, and was projected to open at a 10-week low before showing signs of recovery [4] - As of Friday morning, some stocks within the "Magnificent Seven" were showing positive early trading results after losing gains earlier in the week [6] Employment Data Impact - The September jobs report revealed 119,000 new positions added, significantly higher than the predicted 50,000, but unemployment unexpectedly rose to 4.4% [8]