Progress on US-China trade over the weekend sent stocks soaring on Monday. Some top commentators say tariffs are still a big risk.

Top US officials involved in high-level trade negotiations with China emerged from two days of talks touting “substantial progress” and appearing to confirm that a deal between the two countries had been reached,

The lead U.S. negotiator in trade talks with China cheered “a great deal of productivity” in resolving differences between the world’s two leading economic powers, after officials wrapped two days of bargaining in Switzerland following President