The Dow gained 800 points, or 1.7%, and the broader S&P 500 rose 1.6%. The Nasdaq was about 1.7% higher. The rally came after New York Federal Reserve President John Williams said he supported lowering near-term interest rates, giving traders hope that they could get a December rate cut, after all.

The U.S. stock market is slumping as superstars swept up in the mania around artificial-intelligence technology keep weakening. The S&P 500 fell 1.5% Thursday.

Jarring swings keep rocking Wall Street, and U.S. stocks erased a big morning gain to drop on Thursday as the market remains skittish following weeks of doubts and erratic moves.

The S&P 500 is tracking toward its worst November since 2008 amid mounting concerns over an AI-fueled "bubble". Not even Nvidia and its CEO, Jensen Huang, could allay those fears

Two prominent hedge funds slashed their positions in Palantir and bought stock in Circle Internet Group during the third quarter.

The better market mood triggered by Nvidia's barnstorming earnings and outlook is reducing concerns about sharp, and possibly negative, stock market moves. The Cboe Volatility index (VIX), is an option-derived measure of expected S&P 500 moves,

The shares of Bullish (NYSE: BLSH), the crypto platform backed by PayPal co-founder and venture capitalist Peter Thiel, sank on Nov. 19 despite beating revenue estimates in the third quarter of the year.

Artificial intelligence chip leader Nvidia restored confidence in the AI stock trade with its better-than-expected fiscal third-quarter report and guidance.