An increasing number of private companies are severing their ties to Russia as Vladimir Putin’s invasion of Ukraine escalates and Western countries impose economic sanctions. One of the first moves came when Europe’s governing football body, UEFA, relocated the May 28 Champions League final from Russia to Paris, and the European Broadcasting Union barred Russia from competing in the Eurovision Song Contest. Since then, a torrent of corporations have come out in support of Ukraine and cut business ties with Russia, ushering in a wave of private sanctions on the country. On Sunday, China-based TikTok said it was suspending livestreaming...