https://apnews.com/5ed5d02b5b8f4c66802fba18a059069d > NEW YORK (AP) — Twitter shares fell Thursday after President Donald Trump said in a tweet the company was limiting visibility of prominent Republicans and said he was going to look into the matter. > The tweet came after a story in Vice magazine said prominent Republicans such as Republican Party chair Ronna McDaniel were not showing up in one aspect of Twitter's search function.