President Donald Trump on Monday signed an executive order directing the U.S. to take steps to start developing a government-owned investment fund that he said could be used to profit off of TikTok if he’s successful at finding it an American buyer. Trump signed an order on his first day office to grant TikTok until early April to find an approved partner or buyer, but he’s said he’s looking for the U.S. to take a 50% stake in the massive social media platform. He said Monday in the Oval Office that TikTok, which is owned by China-based ByteDance, was an...