"Meme stock" GameStop Corp GME.N jumped after the video game retailer said it is launching a division to develop a marketplace for nonfungible tokens and establish cryptocurrency partnerships. The S&P 500 and Nasdaq ended down on Friday, with the latest U.S. jobs report underscoring investor worries that the Federal Reserve will aggressively hike interest rates to fight inflation. "The investor takeaway is that the labor market continues to be tight despite the headline miss," said Michael Arone, chief investment strategist at State Street Global Advisors in Boston.