Beijing's commerce ministry said tariffs wouldn't 'solve America's own problems.' Investors are taking a wait-and-see approach.

Trump on Monday threatened an additional tariff of 10 percent unless China halts the flow of Fentanyl precursors.

Experts say the future of U.S.-China ties will depend on the extent to which Trump follows through on his tariff threats, as well as how strongly he is influenced by hawkish advisers.