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.

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,

Hedge fund billionaire Ken Griffin, a major Republican donor, says he supports President Donald Trump’s overarching economic goals—cutting government spending, leveling the playing field with trade partners and reviving American manufacturing—but warned that the administration’s current approach to is damaging what he called the “American brand,