The U.S. and China ended high-stakes trade talks on a positive note on Sunday, with U.S. officials touting a "deal" to reduce the U.S. trade deficit, while Chinese officials said the sides had reached "important consensus" and agreed to launch another new economic dialogue forum.

Shoppers got a little relief this week from a giant tariff on previously cheap, duty-free goods from China.

The changes, which took effect on Wednesday, were described in a White House executive order and guidance from Customs and Border Protection.