Citadel Securities Says It Learned of Trading Curbs on Twitter
Photographer: Alex FLynn/Bloomberg
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Citadel Securities said it first learned of Robinhood Markets Inc.’s trading restrictions on certain stocks during January’s meme-stock frenzy from Twitter, rebutting accusations that the two firms colluded.
The market-maker fired off a pair of tweets Thursday defending its actions during the upheaval that caused huge rallies in shares of GameStop Corp. and others.