Nasdaq Drops More Than 500 Points
Plus: Chipmakers Nvidia, Qualcomm and AMD are among tech stocks that pushed the Nasdaq lower. Johnson & Johnson shares rise after the company reported strong global cancer-drug sales. J.R. Whalen reports.\n\n\n\nSign up for the WSJ's free What's News newsletter.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices