Caixin China Biz Roundup: Tiktok in Turmoil as Trump Threatens U.S. Ban

In today’s episode: Tiktok's future is in the balance as President Trump threatens to barr the video app from the U.S. and Microsoft seeks to buy its American operations; regulators say scandal-plagued Luckin Coffee will face punishment as official probes ends; and southwestern province Yunnan enlists drones and a team of 57,000 to fend off a locust invasion