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.

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0:35 -- Wall Street scoreboard
1:14 -- TikTok sues the U.S.
4:34 -- CNBC Soundcheck
6:14 -- The end of cities is an urban myth
9:18 -- Numbers round

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