Odaily News Fed's Williams acknowledged that amid the trade turmoil, concerns about foreign investors withdrawing from U.S. assets do exist, but he believes that the U.S. "safe haven" status is not currently facing an urgent risk. Williams said that such concerns are mostly still at the stage where "people are just talking about whether to discuss it." He said that the United States still has a unique appeal to global investors, pointing to the country's technological strength and mentioning that "American exceptionalism" dominated global trade until recently. Williams said: "The U.S. economy is really vibrant. Honestly, we are the center of the artificial intelligence universe." (Jinshi)