DJIA 0.88% US.10 Yr 0.701% Euro 0.07% WSJ TECH SUBSCRIBE SIGNIN U.S. Bans Chinese TikTok and WeChat; Citing Security Concerns The Trump administration will begin restricting downloads and use of popular Chinese-owned apps TikTok and WeChat late Sunday, in a move U.S. officials said arose from national security concerns but which drew objections for impinging on free-speech rights. 681 Judge to Hear Arguments on Trump's WeChat Restrictions A California federal judge will hear arguments Friday as THE WALL STREET JOURNAL Stories You Need, Analysis You Trust Subscribe Today Apps