A 90-day pause on punishing tariffs could restart trade between the world’s largest economies. But it is not enough to resolve uncertainty about the economy.

The warning from President Trump follows a temporary agreement between the United States and China to step back from their ongoing tariff war. As of Monday, both nations agreed to drastically reduce mutual import tariffs for a period of 90 days,

The United States and China announced Monday an agreement to drastically reduce tit-for-tat tariffs for 90 days, an outcome President Donald Trump dubbed a "total reset" as he said that talks with counterpart Xi Jinping could soon follow.