Microsoft says its bid to buy TikTok has been rejected

Read MoreTrump issued an executive order​ in August that ByteDance, the owner of TikTok, must sell off its U.S. arm or cease operations in the country within 90 days, citing national security issues.Trump issued an executive order​ in August that ByteDance, the owner of TikTok, must sell off its U.S. arm or cease operations in the country within 90 days, citing national security issues.