TikTok reveals staggering user growth in new lawsuit against the U.S. government: CNBC After Hours

CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. On today's show, CNBC.com's Alex Sherman breaks down TikTok's impressive user growth in the wake of its lawsuit against the U.S. government. Plus, CNBC's Steve Liesman dives into historical economic data that disproves the theory that a pandemic would cause the end of big cities.