NEW YORK: TikTok's expected Sunday (Jan 19) shutdown poses the biggest threat to the universe of small- and medium-sized firms and so-called influencers who depend on the short-form video site for their livelihood, while big brands are expected to move to other sites. TikTok says its US site generates billions for businesses selling candies, beauty products, clothes and other consumer goods. But now, that economy is under threat. The Supreme Court on Friday unanimously upheld the law banning