Days after it raised 4.4 billion United States dollars through an initial public offering in New York and becoming the largest share launch since online retailer Alibaba's 2014 share debut, the ride-hailing app Didi has been ordered off of China's app stores by the Cyberspace Administration of China (CAC). The announcement led to a 5.3% drop of Didi's share price, though the company's current valuation is still over 60 billion United States dollars as of the writing of this article. According to the CAC, Didi violated laws on collecting users' personal data and the administration will investigate Didi to protect "national security and the public interest". While Didi said that the app will continue to operate, it says that it has stopped registering new users for the time being.

Didi Chuxing Technology Co. is a platform founded in 2012, and is similar to Uber or Lyft. On average, Didi arranges over 20,000,000 rides in China every day and is also available in 15 other markets outside of China. Local Chinese media outlets say that Didi gathers data on real-time mobility, and uses some of the data to work on autonomous driving technologies and perform traffic analysis.

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