https://finance.yahoo.com/news/door-to-be-largely-shut-how-tiktok-ban-hurt-chinese-tech-ambitions-in-us-121621897.html Akiko Fujita Anchor/Reporter Yahoo Finance July 18, 2020 With more than 165 million downloads and a rabid teen following, short-form video app TikTok has emerged as a rare U.S. success story for a China-based app. It may be the last. Amid