Citadel founder Ken Griffin extended his criticism of the Trump administration’s trade policy, saying that tariffs won’t bring back American manufacturing jobs the way that the president anticipates and the country should play to its strengths instead.

Griffin said that while at a recent conference in Beijing, he had spoken with a senior Chinese government official who questioned why US trade policy would be to foster low-paying factory jobs and become more like China instead of being the world power that China is trying to emulate.

The U.S. is 20 percent poorer than it was just a month ago because of President Donald Trump’s floundering economic policy, a Republican megadonor has said. Citadel CEO and billionaire founder Ken Griffin said at an economic summit in Washington,