TikTok resumes operations in the U.S. after President-elect Trump promises a 90-day extension to the divest-or-sell law, marking a significant shift in the platform's fortunes and potentially impacting U.

Dan Ives, Wedbush Securities global head of tech research, joins CNBC's 'The Exchange' to discuss the looming TikTok ban in the U.S.

As TikTok faces the prospect of a nationwide ban in the U.S. over security concerns unless its China-based parent company sells its U.S. business, one technology expert says Elon Musk is the most likely buyer.

TikTok is no longer accessible in the U.S. as of late Saturday night, shortly before a nationwide ban on ByteDance’s popular social media app took effect, though President-elect Donald Trump has suggested he will delay the ban after his return to the White House on Monday.

TikTok told users the app will be "temporarily unavailable" as its Chinese parent company ByteDance pins its hopes on Donald Trump to save it.

Citing national security, the Supreme Court rules that TikTok can be banned if its Chinese parent company ByteDance does not sell the app by Sunday.

ByteDance, TikTok’s parent company, is required to sell the app to a U.S.-based buyer or face a nationwide ban.

Trump, who signed an executive order stepping up pressure on ByteDance to sell in 2020, has since credited the app with connecting him to younger voters. It is unclear what the incoming president can do to lift the ban unless ByteDance ultimately sells, however.

TikTok’s time will expire on Jan. 19 if no buyer is found or the Supreme Court rules in the app’s favor. Here’s what to know.

Several prominent figures have expressed interest in acquiring TikTok, though the terms of any potential purchase remain unclear.

The clock is ticking down on TikTok in America. A law that requires TikTok to find a new, non-Chinese owner or face a ban is scheduled to go into effect Sunday — and there is little indication the company is set to pull off a sale before then.

TikTok restored service in the U.S. on Sunday after going dark shortly, as a law banning the wildly popular app on national security grounds came