U.S. President Donald Trump has appointed Vice President JD Vance to oversee negotiations for a deal to save TikTok's operations in the U.S.TikTok, owned by ByteDance Ltd., has been banned in the U.S. but was granted a temporary reprieve by President Trump.Potential suitors for TikTok's U.S. operations include Oracle Corp., Microsoft Corp., and Amazon.com Inc.TikTok is also exploring options to keep American user data separate, potentially through a joint venture with U.S. investors.