Trump upbeat on U.S.-China talks as Beijing underscores tariff-cut demands

WASHINGTON/BEIJING (Reuters) - U.S.-China trade talks are "moving right along," President Donald Trump said on Thursday, striking an upbeat tone even as Chinese officials held fast to their line that existing tariffs must come off as part of an interim deal to de-escalate the 17-month trade war between the two powers."It's moving along very well," Trump told reporters when asked about the talks, a refrain of comments made on Wednesday. Earlier in the week, though, Trump rattled global markets..