China's yuan slipped against the dollar while falling to a near two-year low versus its major trading partners on Friday, as U.S. President Donald Trump and Chinese leader Xi Jinping held a much-anticipated call but left key issues that have stoked tensions between the world's two largest economies unresolved.

President Trump says he had a "very good" phone call with Chinese President Xi Jinping yesterday and says trade talks with China will continue. Former U.S. Ambassador to China Gary Locke joins Ana Cabrera to provide more insight on the negotiations.

China views its rare earths as a national security issue, not a trade one, and that’s why Beijing is unlikely to loosen controls any time soon, experts say.