Billionaire Republican donor’s firm brands Trump’s social media CEO ‘loser’

Ken Griffin’s Citadel Securities claimed Devin Nunes would be ‘fired on The Apprentice’ amid stock trading rowThe CEO of Donald Trump’s social media empire was branded a “proverbial loser” whom the former president “would have fired on The Apprentice” by a trading firm owned by the billionaire Republican donor Ken Griffin on Friday.In an extraordinary statement, Citadel Securities accused Devin Nunes, chief executive of Trump Media & Technology