Ken GriffinLucy Nicholson | ReutersKen Griffin, the billionaire CEO of hedge fund Citadel, defended his $2 billion funding briefly vendor Gabe Plotkin’s Melvin Capital final month amid the peak of the GameStop mania.”No, I believe Gabe Plotkin is among the most interesting traders of his technology,” Griffin on Friday informed CNBC’s Andrew Ross Sorkin throughout Squawk Box.The remark was in response to a query from Sorkin about whether or not Griffin’s funding was a mistake as a result of it created questions on Griffin’s motivations in propping up Plotkin amid his battle with retail Reddit merchants who have been pumping the shares of GameStop.”If I needed to run my enterprise on the opportunity of an insane conspiracy concept rising at any cut-off date, I might haven’t any enterprise,” Griffin mentioned.Besides working hedge fund Citadel, Griffin is the founding father of dominant market-maker Citadel Securities, which handles about 40% of U.S. retail inventory order movement, together with from brokerages like free-trading app Robinhood.After information of the funding from Citadel and Point72 got here out, hypothesis abounded on social media platforms about Griffin’s attainable function within the unfolding drama. In a now-deleted tweet, Twitch co-founder Justin Kan mentioned he “acquired a tip” that Griffin might have been concerned in Robinhood’s transfer to throttle entry to GameStop bulls.Later on, Robinhood defined that it was its clearinghouse, a behind-the-scenes market participant referred to as the Depository Trust and Clearing Corporation, that had demanded billions of {dollars} in collateral to again GameStop trades, forcing the brokerage to scale back entry for its customers till it might increase capital.In the wide-ranging interview, Griffin additionally mentioned that there was “little doubt” that the quantity of short-selling shall be diminished because of the facility that Reddit-fueled retail merchants demonstrated with GameStop.