Market Highlights

Shares of the world’s largest tech companies rallied in late hours on speculation that Nvidia Corp.’s blockbuster outlook will help reignite Wall Street’s artificial intelligence-driven rally. A roughly $390 billion exchange-traded fund tracking the Nasdaq 100 advanced 1% after the close of regular trading. The giant chipmaker that’s seen as a barometer for the revolutionary technology gave a strong revenue forecast for the current period, helping counter concern that a global surge in AI spending is poised to fizzle.The shares spiked about 5%. Stocks jumped after a robust revenue forecast from Nvidia Corp. eased worries about a potential bubble in the artificial intelligence industry that had recently roiled markets globally.