Nvidia’s Best Wasn’t Enough to Prop Up a Wobbly Stock Market

Blockbuster results from AI bellwether Nvidia sparked a furious rally from Tokyo to New York early Thursday before indexes reversed course and tumbled in the largest blown gain since April’s tariff-fueled market turmoil. Adding to the worries on Thursday: A shutdown-delayed jobs report ended a weekslong blackout on key economic data, but did little to clarify the state of the labor market and the potential for a long-debated December interest-rate cut from the Federal Reserve. Nvidia climbed as much as 5%, before finishing the session down 3%.