The $14 billion valuation that the Trump administration has estimated for TikTok’s US business falls well below projections, surprising investors who say a deal at that price would be a bargain for potential buyers including Larry Ellison’s Oracle Corp. and partner Silver Lake Management LLC.The rough estimate, cited by Vice President JD Vance on Thursday, pales in comparison to previous estimates that scaled closer to $40 billion. Vance’s comments came as President Donald Trump pushed forward a...