News U.S., China break off latest trade talks without announcing deal, as new tariffs rile markets May 10, 2019David Jackson, John Fritze and Michael Collins, USA TODAYComments Off on U.S., China break off latest trade talks without announcing deal, as new tariffs rile markets New U.S. tariffs on $200 billion in Chinese goods went into effect at 12:01 a.m. on Friday.