President Donald Trump's administration will move to reduce the impact of his automotive tariffs by alleviating some duties imposed on foreign parts in domestically manufactured cars, and keeping tariffs on cars made abroad from piling on top of other ones, officials said. Shares of automakers Ford and Tesla rose 1.1% and 0.8%, respectively, while General Motors gained 0.9% ahead of its quarterly results. Investors are also awaiting more clarity on the state of U.S.-China trade negotiations, on a busy day for earnings from companies including Coca-Cola and United Parcel Service.