Nvidia reported quarterly results that handily topped Wall Street expectations, sending the stock sharply higher in after-hours trading.

The U.S. stock market swung through another unsettled day of trading, ahead of a couple of crucial tests for Wall Street.

After topping $126,000 in October, Bitcoin has fallen sharply, wiping out its 2025 gains. The sharp retreat from record highs comes in a year that was supposed to cement Bitcoin’s legitimacy. Wall Street has shown up,

Warnings about Wall Street's excessive optimism, concentration risk, and frothy valuations have fallen on deaf ears for most of this year, leaving market-watchers wondering what, if anything, will cool the tech and artificial intelligence frenzy.

Wall Street finished Tuesday's trading session to the downside on a day that watched the Nasdaq Composite plunge as much as 2%.

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.

Stock barometers may be calmer early Wednesday, but signs of residual tension can bee seen in option markets. The Cboe Volatility index (VIX), an option-derived measure of expected movement in the S&P 500 that's known as Wall Street's fear gauge,

U.S. stocks ended a choppy session higher on Wednesday, bouncing off recent losses as technology stocks rose ahead of Nvidia's quarterly results. Nvidia shares gained more than 5% after ending the regular session up 2.