US stocks ended sharply lower as Nvidia warned about steep charges from new US curbs on its chip exports to China and as Federal Reserve Chair Jerome Powell said US economic growth appears to be slowing. #News #Reuters #Newsfeed #wallstreet #nasdaq #stocks #markets Read the story here: https://reut.rs/3GbuEUZ 👉 Subscribe: http://smarturl.it/reuterssubscribe Keep up with the latest news from around the world: https://www.reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters