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

Ninety days isn’t much time to reach a trade deal, especially one between two adversaries with as many disagreements as the U.S. and China. But Chinese Vice Premier He Lifeng acknowledged

The U.S. and China have agreed to temporarily rollback on some tariffs. Adam Posen, president of the Peterson Institute for International Economics, puts today’s deal into context.