A report saying Amazon would list how much tariffs contribute to an item's price drew criticism from Donald Trump's White House on Tuesday and sent shares down. "This is a hostile and political act by Amazon," White House press secretary Karoline Leavitt said at a press conference before US markets opened on Tuesday.The e-commerce giant plans to start breaking out the cost of tariffs for each product it sells, Punchbowl News reported early Tuesday. An Amazon spokesman, however, told Business Insider that ...