Citadel LLC CEO Ken Griffin predicted that Donald Trump would reclaim the U.S. presidency during the Future Investment Initiative summit in Saudi Arabia. What Happened: Griffin, a significant Republican donor, expressed confidence in Trump’s victory, Fortune reported on Wednesday. Despite his previous instances of financial support for the GOP, Griffin has not directly funded Trump’s campaign, instead focusing on primary candidates, particularly in open primaries “The expectation today is that Donald Trump will win the White House in just a few days; we will know shortly,” Griffin said. See Al…